A team of experts examines the people around Rebecca the night she died, as they continue their search for the truth behind her suspicious death.

The battle between a wife and a mistress for one man's heart leads to a deadly car chase.

The FBI gets involved when a Virginia man's wife and son are kidnapped while vacationing in the Philippines, with a terrorist group demanding millions in ransom.

Michelle Hadley is exonerated after spending three months in jail for attempted forcible rape of her ex-fiance's wife.

Just five days before her elaborate Long Island wedding, a beautiful and brilliant Yale student goes missing; a massive search effort is launched to find her before her wedding day.

A mysterious illness strikes a newly married electrician, and his condition gets increasingly dire as doctors search for answers; it will take a scientific breakthrough to solve this burning mystery and catch a cunning killer.

A romantic anniversary getaway for a couple of high school sweethearts turns disastrous when they become victims of a robbery gone wrong; homicide investigators unravel a lurid secret at the heart of the murder, leading them to a stone-cold killer.

A years-long investigation into the killer of Johnia Berry, who was stabbed more than 22 times in her Knoxville, Tenn., bedroom while her male roommate escapes.

In an upscale high-rise in Chicago, a successful businesswoman is murdered as her boyfriend sleeps beside her; investigators point a finger at the boyfriend, but an exhaustive investigation uncovers the surprising architect of her murder.

A handsome new dance partner awakens unfamiliar emotions in a conservative young wife putting two marriages in turmoil; when she disappears shortly afterward, investigators must unravel a confusing trail of betrayal and heartbreak to crack the case.

After a small town dentist is stabbed to death, investigators discover a web of extra-marital affairs and infidelity, and the odd behavior of an unexpected suspect helps crack the case.

When 20-year-old Anna Cardwell is found shot to death in her rural Alabama home, her close circle of friends mourn in disbelief. But soon speculation begins to swirl that one of their own is not who they seem.

When a mother of eight is found dead in the woods in her backyard, everyone connected to her family landscaping business is a suspect. Investigators dig to find if someone in the tight-knit crew secretly had an axe to grind.

A retired Delta employee appears dead, stabbed dozens of times in her picturesque suburban home, stunning the Atlanta area; as detectives search for clues, they discover a note the victim left just before she died that leads them to her killer.

When a beloved officer is brutally gunned down during a routine traffic stop, detectives work tirelessly to bring justice to their fallen comrade. The team races against the clock to find the ruthless killer before he strikes again.

After a nurse and mother-of-three is murdered inside her Illinois home, investigators uncover security camera footage that could be key to solving the case.

A tech titan is stabbed to death in San Francisco, sparking headlines and rumors; speculators are quick to draw conclusions, but Josh Mankiewicz revisits how video evidence revealed a far more complicated truth.

When a man perishes in a fire while working in his garage, his death is initially ruled an accident until a forensic odontologist changes the direction of the case.

Lack of evidence compels investigators to look beyond the obvious when a woman is beaten to death at her in-laws house.

A man is found dead of an apparent suicide. But soon after, information emerges which reveals a much more menacing scenario.

A dismembered body is dumped on the side of the New Jersey Turnpike and before police realize it, bodies are turning up between two states.

A young bride-to-be is gunned down in her own home. The attack is personal and as investigators start digging, they uncover the man she loved was living a lie.

Tara Munsey went missing after a work shift at a Virginia restaurant, and it is unknown if she ran away or if she was the victim of foul play.

An Ohio woman and her two daughters go missing while vacationing in Florida; their corpses are found floating in Tampa Bay with a handwritten note by one of the victims; putting it on five billboards helps them find the killer.

Four young adults are murdered in an affluent Texas neighborhood, with little evidence but two people walking by dressed in black.

A young college student is found dead in her apartment and the autopsy rules the death a homicide by an unknown male suspect.

The killer removed the computer that links him to the murder of a woman and her soon-to-be ex-husband that he had met online.

When a beloved officer is brutally gunned down during a routine traffic stop, detectives work tirelessly to bring justice to their fallen comrade. The team races against the clock to find the ruthless killer before he strikes again.

Twin daughters find their mother stabbed to death in their quaint suburban home, and the pressure for detectives to deliver justice is on; but when the shocking truth behind the murder comes out, the Atlanta community is left stunned and heartbroken.

Two murders in Toronto ignite an investigation that spans four decades; breakthroughs in investigative genetic genealogy help crack the case.

Two murders in Toronto ignite an investigation that spans four decades; breakthroughs in investigative genetic genealogy help crack the case.

When a woman's remains are found miles from her home, investigators start digging into her past.

When a police officer goes missing, it becomes apparent he is the victim of a jealous wrath.

Three members of a wealthy family are gunned down in their own home; with little evidence to go on, investigators embark on a multi-year surveillance operation to see if they can prove their instincts are correct.

A beloved entrepreneur is murdered in his office; a secret double life is quickly revealed, and despite mountains of suspicion, lies and motives, his killer is not who one would assume.

The headline-grabbing murder of fashion icon Gianni Versace sent detectives into a tireless chase for a serial killer; expert insights on the mind of Andrew Cunanan, and a deep dive by forensic and legal specialists.

Gianni Versace's longtime partner, Antonio D'Amico, speaks about the murder of the fashion icon; Versace's murder came amid a months-long manhunt for Andrew Cunanan, who was accused of committing four other murders throughout the U.S. in 1997.

A murder occurs in an affluent neighborhood with tree-lined streets; investigators find a riddle, a deception and a piece of pure evil.

Todd Winkler claims self-defense after being arrested for killing his wife, Rachel; investigators travel to Georgia to find out how Todd's first wife died on a camping trip 10 years earlier.

After finding his wife and two children dead in his garage, a former Indiana state trooper spends 13 years trying to clear his name.

When the wife of a popular Atlanta DJ is found murdered in her home, detectives try to unravel what led to her killing.

When police respond to a report of a break-in, they discover a woman was murdered, launching an investigation with a false confession and a dangerous romance.

When a beloved officer is brutally gunned down during a routine traffic stop, detectives work tirelessly to bring justice to their fallen comrade. The team races against the clock to find the ruthless killer before he strikes again.

When police respond to a report of a break-in, they discover a woman was murdered, launching an investigation with a false confession and a dangerous romance.

When a mother of eight is found dead in the woods in her backyard, everyone connected to her family landscaping business is a suspect. Investigators dig to find if someone in the tight-knit crew secretly had an axe to grind.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

When a pharmacist is found shot to death in his Wisconsin farmhouse, investigators embark on a 15-year hunt for his elusive killer.

When a pharmacist is found shot to death in his Wisconsin farmhouse, investigators embark on a 15-year hunt for his elusive killer.

An ex-Navy man marries the love of his life; five months later, his new bride finds him dead on their bedroom floor, leaving family and authorities puzzled.

After a man mysteriously dies in his doctor's office, a routine call from a life insurance company plunges investigators into a twisted world of mystery, money and murder where they must unravel a complex web of lies and false identities.

When a well-liked Hollywood cameraman is brutally murdered in his home, detectives trace a tangled web of lies that leads them to yet another body and a killer who will do anything to realize the California dream.

When a cherished Laguna Niguel resident is beaten to death in her home, detectives must peel back the layers of her life to get to the bottom of the murder mystery.

The disappearance of a woman sends her neighbors and loved ones into a tailspin, but the search for answers leads investigators through three states with a dramatic conclusion no one saw coming.

A young mother in the quiet Atlanta hamlet of Buford is found shot to death in what detectives deem to be a staged suicide; as investigators search for leads, they uncover an eerily similar death linked to someone with close ties to both victims.

When a beloved officer is brutally gunned down during a routine traffic stop, detectives work tirelessly to bring justice to their fallen comrade. The team races against the clock to find the ruthless killer before he strikes again.

A chance encounter on the Pacific Coast Highway with a woman he first spoke to in a jail cell leads Keith Morrison to re-examine the mysterious death of Las Vegas casino magnate Ted Binion.

When Dr. Joe Sonnier is murdered, the investigation reveals simmering jealousies and a love triangle; Andrea Canning recalls a doctor who dedicated his life to helping others.

When a woman is found dead in her SUV, the investigation into her murder reveals a tangled web of sex and lies; Dennis Murphy looks back on his interview with the lead suspect.

When the wife of a wealthy doctor calls police to her waterfront mansion, they find her husband dead at the bottom of the stairs; Blayne Alexander reexamines a mystery with a stunning connection to the murder of another doctor decades earlier.

When the body of a 22-year-old college student is found a week after she vanished, theories about her murder run rampant through the Arkansas Ozarks; Dennis Murphy remembers the gutsy detective who made all the right moves to solve the mystery.

A former ballerina shoots her husband in what she alleges was an act of self-defense; the ensuing investigation and dramatic trial spark protests and receives national attention.

When the body of a 22-year-old college student is found a week after she vanished, theories about her murder run rampant through the Arkansas Ozarks; Dennis Murphy remembers the gutsy detective who made all the right moves to solve the mystery.

When Detective Bill Clark investigates a disappearance, a trail of clues leads him to a young film director; Clark worries that the mystery was a hoax staged by a master storyteller; however, it turns out the script is much darker.

After young father Matthew Podolak dies from antifreeze poisoning, the manner of his death remains undetermined until his brother embarks on a quest for the truth.

After young father Matthew Podolak dies from antifreeze poisoning, the manner of his death remains undetermined until his brother embarks on a quest for the truth.

When a luxury car dealer is found dead, detectives suspect one of his lovers, but lack of evidence stalls the case for a year, until one clue breaks it wide open.

Amy Robinson, a teenager with Turner's syndrome, takes her first steps toward independence by getting a job at her local grocery store; her new endeavor ends in tragedy when she befriends a co-worker with a secret past.

In an exclusive Houston neighborhood, an entire family is found dead of an apparent murder-suicide; Sgt. Johnny Bonds takes on the entire justice system to uncover the shocking truth and expose an underworld of murder for hire.

A grieving mother takes her own life, or so it seems; her parents start an investigation and secrets emerge about the Baptist minister and husband that leaves friends and family wondering if there's more to the story.

When a teenage track star sneaks out at night, she finds herself caught in a deadly love triangle; once her body is found in a field, the small town of Mansfield, Texas, becomes wrapped in a sensational tabloid tale of duty, honor and murder.

A missing man's search ends with a morbid discovery: his body, bound and murdered, inside his own car; the brutality is unmistakable, and to Barbara Butcher, so is the staging; a closer look at the evidence reveals a calculated plot to kill.

When suitcases of dismembered remains wash ashore in Virginia Beach, the investigation leads back to New Jersey, where a facade of a perfect family man breaks to reveal the reality.

Numerous patients at a Texas dialysis treatment center have gone into cardiac arrest, resulting in five deaths in one month; investigators work with the Centers for Disease Control to expose a chilling connection between the unexplained tragedies.

After a father is found dead in his family's Florida mansion, what at first appears to be suicide turns into a complex murder mystery where a mother's cryptic words and a son's suspicious behavior suggest either could be hiding a deadly grudge.

When a woman survives an alleged assault in the New Mexico desert and her purported attacker is found stabbed to death, investigators must get to the bottom of a bizarre murder plot driven by one suspect's obsession with the occult.

After a 911 hang-up, Pasco, Wash., police report to the caller's address and discover a beloved grandmother has been fatally shot; detectives will combat self-defense claims as evidence of a greedy scheme comes to light.

An aspiring young artist from Virginia is reported missing by his family. When his body is found weeks later, investigators must delve into his tumultuous family life and uncover an eyewitness who reveals the lies and deceit that led to his murder.

A man's body is discovered in his Texas home, hidden for weeks after his murder; when police discover that his family is missing as well, the investigation reveals a desperate escape attempt and a motive rooted in fear and betrayal.

A San Diego mother suddenly vanishes in 2014; nearly two years later, her body is found in San Diego Bay, but medical examiners say she has only been dead for a month or two.

A community is shocked when police discover a woman raped and murdered in broad daylight on a public trail.

A real estate developer is shot, and his wife becomes the prime suspect, until the bullet is linked to a weapon reported missing 20 years ago.

A body is found stuffed into a suitcase forcing the police to search though the landfill for another missing victim.

A woman goes missing for a month with the only clues being a set of keys, a fingerprint and a code.

Police discover a mask near the crime scene and hope that it leads to the killer of a funeral director.

A killer assaults a young mother in her home, but despite meticulous washing of the crime scene, a single hair remains to lead authorities to the culprit.

A man has no recollection of events after stabbing his wife and holding her head underwater in a swimming pool.

California police in 1957 search for a murderer, but the case goes cold; 50 years after a crime is committed, advances in computer technology determine the killer.

Investigators piece together tiny clues at the scene of a hit-and-run accident; their findings help to track down the offending driver.

Investigators determine what caused a house fire that killed an elderly couple and whether the victims' son is responsible.

After a tycoon's wife is found dead in her SUV submerged in a half-frozen creek, police begin to suspect it wasn't an accident.

A Russian immigrant is found dead and a strange phone call to his office is the only lead investigators have.

Physical evidence initially condemns a prime suspect to a double homicide, but DNA from a discarded spoon points to another.

A young girl falls ill and dies; forensic investigators search for evidence halfway around the world to shed light on the tragic death.

When a pediatric dentist is found dead, police uncover a complex plot and their suspect leads investigators on an international manhunt; the lead detective speaks out for the first time.

When a pediatric dentist is found dead, police uncover a complex plot and their suspect leads investigators on an international manhunt; the lead detective speaks out for the first time.

After a young father is found dead in his home in Jonesboro, Ark., the authorities search for the killer.

Authorities work to establish why a loving mother was brutally stabbed to death in her home.

After a successful young doctor collapses, a blood test reveals cyanide poisoning, resulting in a criminal investigation.

When police respond to a report of a break-in, they discover a woman was murdered, launching an investigation with a false confession and a dangerous romance.

When a young father is murdered in his apartment, investigators learn the victim was involved in a bitter custody battle prior to his death. A series of abuse allegations complicate the investigation as detectives race to identify the killer; HD Version.

The search for a missing elderly woman turns into a murder investigation after police discover a grisly crime scene. As authorities search for the last person to see her alive, they follow a digital trail that will expose a cold-hearted betrayal.

When an aspiring writer and painter in the vibrant Soho art scene of the early '80s is found murdered just two days after her debut book is published, her devastated husband offers a critical clue.

A single mother who is pregnant with her second child says goodnight to her 12-year-old daughter in their Brooklyn home at midnight; by morning, she is found dead miles away in the Hudson River of midtown Manhattan.

A veteran police officer gets attacked in the line of duty; detectives make it their mission to bring his killer to justice; as they investigate a troubled Philadelphia suburb, they soon uncover a crime of the ultimate betrayal.

When a hospital employee dies mysteriously on a Center City sidewalk, detectives uncover surveillance footage of the murder that leads straight to the doorstep of a suspected serial killer who may be tied to a string of unsolved crimes.

The violent murder of a young newlywed in the outskirts of Philadelphia confounds investigators for decades until the perseverance of detectives, combined with new technology, reveals her killer was closer than anyone anticipated.

A wealthy couple is brutally attacked on their country estate just outside Atlanta; as detectives scour the property for leads, they discover a dark secret, unbeknownst to the community, that multiplies their suspect list tenfold.

The police discover a body wrapped in duct tape on church grounds in the posh neighborhood of Buckhead, Atlanta; detectives must untangle a web of romance, jealousy and deceit to uncover who killed a beloved father of two.

When an officer is gunned down during a routine traffic stop, detectives work to bring justice to their fallen comrade; the team races against the clock to find the killer before he strikes again.

When an aspiring rapper is found dead during a shootout at the Metropolitan Studios in Atlanta, detectives must follow a trail of lies, ultimately discovering a cold-blooded betrayal at the heart of the murder.

When the body of a 22-year-old college student is found a week after she vanished, theories about her murder run rampant through the Arkansas Ozarks; Dennis Murphy remembers the gutsy detective who made all the right moves to solve the mystery.

When an aspiring rapper is found dead during a shootout at the Metropolitan Studios in Atlanta, detectives must follow a trail of lies, ultimately discovering a cold-blooded betrayal at the heart of the murder.

The sudden disappearance of Manjit Panghali sparks a massive search for the pregnant mother; investigators uncover a tight-knit immigrant community in shock, a family in mourning and a killer relationship exposed.

Newly single Michele Davis is killed when her car careens off an Iowa highway; what looks like an accident is anything but, however, as investigators peel back the layers of her life and discover a motive for murder.

Firefighter Ben Amato is callously murdered, but the case goes cold; a jailhouse snitch, critical clue and seemingly unrelated homicide expose a sinister plot as investigators stay on the trail of a heartless killer.

A devoted mother is found shot to death in her minivan; the case stays cold until old memories resurface and new revelations come to light, dividing her Florida family.

A devoted mother is found shot to death in her minivan; the case stays cold until old memories resurface and new revelations come to light, dividing her Florida family.

A chance encounter by custom agents leads to a break in the case of a mother who disappeared days before she was supposed to move to a different city with her young son; a witness speaks out 20 years after the incident.

A doctor ingests a lethal chemical, causing friends to wonder if it was an attempt at suicide or if he was poisoned -- until a love triangle is uncovered.

A brilliant woman who rose from poverty and became a successful criminal defense attorney is murdered; investigators look into her clients and follow a bizarre string of clues.

An apparent home invasion leaves a woman shot, her boyfriend dead, and police searching for two masked intruders; when inconsistencies in her story start piling up, police realize the woman at the center might not be the victim she claims to be.

When the decomposed body of a woman is discovered inside a Las Vegas storage unit, investigators follow the clues to an unlikely culprit; a chilling tale of murder unravels, rooted in long-buried family secrets and eerie ties to the occult.

After South Carolina authorities locate a burned and abandoned vehicle, they are led to a crime scene at a local church leader's home; their small community is divided when an unforeseen perpetrator is found responsible.

When a retired Dauphin County sheriff is found burned to death, investigators zero in on his wife's bizarre behavior. They must quickly determine whether the death was the result of a mental health crisis or a malicious plan to kill.

A missing family man is found murdered in his car near his home in New York; when evidence of a secret affair is exposed, detectives unravel a chilling conspiracy orchestrated by individuals close to him and a mastermind driven by greed.

A respected family man is found shot to death in his upscale California home; as detectives race to find his killer, a startling confession exposes a web of lies, allegations of abuse, and a marriage pushed to its breaking point.

A farmer is gunned down inside his Barron County, Wisconsin home in what appears to be a planned hit. As investigators search for answers, they turn to an unstable ex whose plot to kill shocks the rural community.

A beloved mother is fatally shot after a feud between two other women escalates into a group fight. Pine Bluff authorities interview witnesses to uncover the shooter's true motive as public opinion on the case grows increasingly divided.

Just months after a shooting nearly takes her life, a New Jersey woman is reported missing. Fearing her original attacker has returned to finish the job, investigators race to expose an elaborate murder plot and an obsessive killer.

A frantic 911 call captures a man's final moments after a brutal knife attack in his home. As their only eyewitness keeps changing her story, investigators dig deep to uncover a crumbling relationship and the sinister truth behind a vicious murder.

When a businessman collapses in his home under mysterious circumstances, investigators unearth a sinister plot to cover up a multimillion-dollar Ponzi scheme-and the woman who will stop at nothing to keep it hidden.

University of Kentucky football standout Trent DiGiuro is celebrating his 21st birthday when a gunshot cuts through the night and strikes him dead. With many friends across campus, police investigate who would want this party to be Trent's last.

A son is reported missing after he fails to return home from a date; various Mississippi agencies unite to navigate his last moments and a false lead that will expose a cold-blooded scheme.

When a businessman collapses in his home under mysterious circumstances, investigators unearth a sinister plot to cover up a multimillion-dollar Ponzi scheme-and the woman who will stop at nothing to keep it hidden.

University of Kentucky football standout Trent DiGiuro is celebrating his 21st birthday when a gunshot cuts through the night and strikes him dead. With many friends across campus, police investigate who would want this party to be Trent's last.

When a mother of eight is found dead in the woods in her backyard, everyone connected to her family landscaping business is a suspect. Investigators dig to find if someone in the tight-knit crew secretly had an axe to grind.

Eighteen years into her prison sentence, Coty Martinez opens up about the multistate killing spree that landed her behind bars; claiming to have been a victim herself, she attempts to explain how she ended up on a dark path.

In her first televised interview, Angelina O'Mara attempts to explain the back-to-back 2011 murders of her ex-husband and boyfriend; she describes her state of mind at the time and discusses whether she deserves redemption from those she hurt most.

Sabrina Zunich tells the story behind her foster mother's murder, describes the secrets that led to it, details why she snapped, and discusses how she feels about it now.

When former Sen. Linda Collins of Arkansas is found fatally stabbed outside her home, detectives investigate if her murder is connected to her political career or her personal life; the victim's children speak out about the case.

When former Sen. Linda Collins of Arkansas is found fatally stabbed outside her home, detectives investigate if her murder is connected to her political career or her personal life; the victim's children speak out about the case.

A matriarch's death leads to a prominent family from Texas being torn apart by decades of betrayal, greed and mistrust.

Investigating whether an explosion in a rice field in Colusa County, California that killed farm manager Roberto Ayala is an accident or murder.

Craig and Laura Rideout appear happy, but after they separate, an ugly secret is revealed and one of them will soon be dead; clues point to four possible killers and leave investigators wondering if this murder is all in the family.

Brittany Eldridge was nearly nine months pregnant when she was found dead in her apartment; investigators focused on two men they believed had a possible motive.

When a beloved mother goes missing on her birthday, detectives are faced with several possible suspects before focusing on a co-worker with a shocking past who will do anything to hide their true identity.

After a father's life is tragically cut short in a car accident, the events that follow force Ohio investigators to race against the clock to prevent a murder-for-hire plot before it's too late.

The case of a beloved Kenosha social worker's murder resurfaces nearly a decade after leads run dry when an odd call from another state reveals the gruesome truth about a vengeful pack of killers.

When a beloved plastic surgeon and his office manager are gunned down at work, detectives chase down several leads until they uncover one suspect hiding malicious intent.

When a family dispute turns violent and results in the death of an Oregon man, detectives must sort through a cast of characters to uncover the leading lady at the center of the crime.

The search for a missing boater on Lake Coeur d'Alene turns sinister after a local newspaper uncovers a shocking story, forcing residents of the peaceful lake town to question their neighbors.

When a young woman is found mysteriously gunned down off a remote highway, Michigan detectives look into the victim's past for answers, uncovering a scandalous web of infidelity and betrayal.

The investigation of a young gamer's murder begins with his mother's heartbreaking 911 call but when detectives find a clue inside evidence left at the crime scene, the case turns into a multi-state search for a heartbroken suspect.

When a firebomb attack destroys the home of two sisters, police turn to the neighborhood for answers, but the high-profile case takes an odd turn once detectives realize they have a homicide on their hands and the culprit is much closer to home.

Just months after a shooting nearly takes her life, a New Jersey woman is reported missing. Fearing her original attacker has returned to finish the job, investigators race to expose an elaborate murder plot and an obsessive killer.

When a businessman collapses in his home under mysterious circumstances, investigators unearth a sinister plot to cover up a multimillion-dollar Ponzi scheme-and the woman who will stop at nothing to keep it hidden.

University of Kentucky football standout Trent DiGiuro is celebrating his 21st birthday when a gunshot cuts through the night and strikes him dead. With many friends across campus, police investigate who would want this party to be Trent's last.

When a beloved woman is gunned down in the street near her home, details of a bitter divorce encompass the investigation; a convicted killer shares his version of events from prison, leading to a confession.

The brutal murder of a young Army specialist leads investigators to explore a complicated love affair fueled by obsession and jealousy.

When a beloved schoolteacher is violently assaulted outside her home, police discover a toxic romance that destroyed a family's bond.

When an aspiring rapper is found dead during a shootout at the Metropolitan Studios in Atlanta, detectives must follow a trail of lies, ultimately discovering a cold-blooded betrayal at the heart of the murder.

Detectives get caught up in a dangerous game of cat and mouse when a young couple is brutally attacked in an upscale Placentia neighborhood.

Campus cops make a terrible discovery in a dorm room after a boyfriend's weekend visit goes horribly wrong.

A girl's recovery from a gunshot wound inspires the community to get her justice.

When Bonnie Craig was found dead, police collected DNA, but it didn't match anyone in the system; 12 years later there is a hit, but the man is thousands of miles away and, as it turns out, prosecutors need more than DNA to convict a killer.

When the body of a 22-year-old college student is found a week after she vanished, theories about her murder run rampant through the Arkansas Ozarks; Dennis Murphy remembers the gutsy detective who made all the right moves to solve the mystery.

When a young mother and her newborn daughter vanish from Austin, detectives and FBI agents rush in to bring them home but instead uncover a heartbreaking motive, and a nine-month-long scheme to carry out the ultimate betrayal.

After the search for a missing Florida couple leads to a chilling discovery in their garage, detectives follow the money trail to a surprising false identity that unlocks a deadly interstate scheme.

When a pregnant St. Louis elementary school teacher is found shot to death in her apartment, an unusual gun silencer, missing money, and the victim's own meal plan help unlock a murder plan.

A young woman is found with a fatal head wound and her hand on a shotgun; her fiancé claims she killed herself, but grieving family members insist the suicide scene was staged; the case goes cold until a new prosecutor takes a second look.

A beloved grandmother is found with a red bathrobe sash knotted around her neck; her death appears to be a suicide until the medical examiner rules homicide; the victim's husband is charged with murder, but the case takes a surprising turn.

A car crash on a rural highway leaves one woman dead while her husband walks away unscathed; it appears to be a tragic accident, but one state trooper can't shake the feeling the crash is anything but routine.

When the body of a beloved, elderly woman is found brutally murdered and stuffed inside a decorative wishing well in the backyard of her property, a dogged detective goes on a years-long hunt to catch her elusive killer.

Investigators believe a young woman left of her own accord, but her mother is convinced that someone close to her is hiding a big secret; a two-year search for the truth brings investigators to the backyard of a historic location.

While attempting to identify the remains of a victim found buried in the backyard of a plush California home, investigators learn another murder was committed at the exact same residence 30 years earlier.

Detectives in Portland, Oregon, discover a puzzling connection between the 2018 murder of chef Dan Brophy and a blog post written years earlier, titled How to Murder Your Husband.

A 40-year-old Minnesota woman is shot to death in her bed while her husband and teenage daughter are home, leaving investigators to wonder who would want her dead.

Detectives are suspicious after a woman is killed in a hunting accident, but it takes more than twenty years before a trace evidence analyst is able to match fibers on a soiled blanket to the killer.

When hunters find a skull in a Texas canyon, police find bits of clothing, a woman's shoe, some small bones and a strand of hair; once they discover her identity, it was time to find the killer.

A wife is missing in Key West; investigators wonder if they should be searching for a missing person or a killer.

Suicide notes and a pistol in hand lead police to suspect that a mother of two young children appeared to have killed herself, but when investigators learned of a house fire she was in three years earlier, they reinvestigated.

The violent death of an Air Force officer's wife outside a Philippines air base is examined, amid accusations of a love triangle involving the murdered woman's husband; investigators use groundbreaking computer forensics to make their case.

Pieces of plastic the size of sand hold clues to a bombing.

At first glance it appears a young woman suffocated, but further investigation shows the scene was staged.

A killer is careless when a home is destroyed by fire and a young boy is missing.

A patrol officer is shocked by the amount of blood at a traffic accident and is shocked by the coroner's ruling until an anonymous phone call re-ignites the case.

An irrigation canal murder remains unsolved until a similar murder occurs.

A university for the deaf serves as a haven for its students. But when a freshman is brutally murdered in his dorm, the student body is plunged into terror. When it happens again, investigators race to uncover a connection and stop a serial killer.

When a Sarasota, Florida gallery proprietor is found murdered and posed like a grisly sculpture, everyone in the renowned art community fears for their lives wondering if it could be one of their own artists putting evil on display.

After a plastic surgeon and local musician is murdered in his Asheville, N.C., home, investigators uncover a trail of clues pointing to an unlikely killer; new details emerge from exclusive TV interviews with insiders close to the case.

After a plastic surgeon and local musician is murdered in his Asheville, N.C., home, investigators uncover a trail of clues pointing to an unlikely killer; new details emerge from exclusive TV interviews with insiders close to the case.

When a father goes missing and his body is found in a field several miles away, the investigation reveals multiple suspects -- including members of his own family.

A Dallas spine surgeon's God complex puts patients at risk, and it's up to fellow medical staff to blow the whistle before more innocent people are victimized.

After receiving a terminal cancer diagnosis, families turn to a doctor who offers hope and an unorthodox cure; they soon learn that the trusted physician may have actually had a hand in their loved one's demise.

Seventeen-year-old Anthony Templet calls 911, confessing to shooting his father in self-defense; with no signs of a physical attack, authorities suspect murder; as the investigation unfolds, the dark underbelly of the family is exposed.

A mother of three shoots and kills her neighbor in a home invasion, leaving a small community grasping for answers; while the neighbor's parents question this apparent act of self-defense, police find a journal that leads to the truth.

With just over one hundred residents, the farming village of Colon, Nebraska is built on trust; when county treasurer Sharron Erickson is found murdered in her town garage, Main Street becomes a crime scene where no one can trust their neighbor.

When 20-year-old Anna Cardwell is found shot to death in her rural Alabama home, her close circle of friends mourn in disbelief. But soon speculation begins to swirl that one of their own is not who they seem.

For the Jennings family, Christmas Eve becomes a waking nightmare after a gunshot rings out, and investigators must determine whether a secret led to suicide or murder.

Diana Lovejoy and her husband welcome a baby boy, but their marriage crumbles; a bitter custody battle follows; fearing for her safety, Diane turns to a man skilled in self-defense, but as it turns out, someone else is in grave danger.

Meghan Verikas is attracted to Leon Jacob, in part, because as a doctor he saves lives; police officers tell her he is trying to hire a hit man, potentially to take hers, but authorities have a plan of their own.

Sam and Danielle Dreher appear to have a storybook marriage, but this ending was not happily ever after; when Sam is murdered, investigators discover a twisted tale of secrets, lies and infidelity.

When a captivating, sweet-natured single mom is found dead in her garage, detectives in Frisco, Texas, uncover a series of potential suspects, all of them connected in different ways to her complicated and secretive life.

When police respond to a report of a break-in, they discover a woman was murdered, launching an investigation with a false confession and a dangerous romance.

Authorities embark on a 13-year investigation after 17-year-old Brittanee Drexel vanishes during spring break in Myrtle Beach, S.C.

After trumpet player Scott Sessions fails to show up for a scheduled gig, his family learns his body was abandoned in the remote Colorado Rockies; as the investigation narrows in on two suspects, a second murder catches police by surprise.

Authorities embark on a 13-year investigation after 17-year-old Brittanee Drexel vanishes during spring break in Myrtle Beach, S.C.

When sheriff-elect Derwin Brown is gunned down just days before taking office, investigators uncover a tangled web of secrets - forcing them to confront the chilling possibility that the killer may be hiding within law enforcement's own ranks.

The First Baptist Church of Madisonville, Kentucky is shocked when long time parishioner Anna May Branson leaves Sunday service only to be murdered in her home moments later. Investigators wonder if her killer is in the pews pretending to be a saint.

The investigation into a deadly home invasion involving a local business owner takes a turn when an unlikely witness comes forward; new details emerge from exclusive interviews and never-before-seen police interviews.

The investigation into a deadly home invasion involving a local business owner takes a turn when an unlikely witness comes forward; new details emerge from exclusive interviews and never-before-seen police interviews.

A Tennessee resident is murdered in her bedroom; investigators have little evidence and struggle to find answers.

When a young man with big dreams is found dead, investigators follow the money to find his killer.

A mother of five is found dead in her home; investigating whether she was she murdered, or hiding a dark secret.

After three ruthless murders and a month-long spree of armed robberies, police in Fort Worth, Texas, race to stop a young man intent on inflicting pain, his honor student sibling and a second set of brothers.

A home invasion by masked gunmen leads to the murder of a doctor trying to protect his family, but when investigators track down three brothers, they discover the kidnapping plot gone wrong was masterminded from within the doctor's own circle.

When two families in different neighborhoods are brutally murdered within a week of each other, the city of Richmond goes into an uproar; with only limited leads, police face mounting pressure to find the killers before they strike again.

When a house fire reveals the violent murder of an entire family, the town of Fishkill is shaken; state investigators dig into the victims' past and uncover disturbing connections while using the latest technology to find the killers.

A retired police officer fears his missing daughter has been murdered, kickstarting an investigation where the killer appears to be one step ahead; a pair of twins hold a secret that threatens to tear apart their close bond.

While out deer hunting, a young father of two is murdered in the woods; 25 years later, a revelation sparks a new investigation and leads police to uncover an unthinkable conspiracy between those closest to the victim.

Chris Smith's family receives an email stating that he is leaving California to surf the world; months later, they wonder if he really left; Keith Morrison offers new insights into the case.

To many, it seemed like a romance between a former football player and homecoming queen; but when it ends in death, the police investigate; Dennis Murphy reflects on a secret relationship that led a churchgoing couple down a dangerous path.

When the body of a 22-year-old college student is found a week after she vanished, theories about her murder run rampant through the Arkansas Ozarks; Dennis Murphy remembers the gutsy detective who made all the right moves to solve the mystery.