A well-respected firefighter and loving family man is found gunned down outside his Philadelphia home, sending police on a furious search for his killers; what they find stuns even the most hardened investigators among them.

When Tina Sandoval disappears, her parents and loved ones spend years searching for her; a secret she was keeping may lead to clues about what happened to her.

When Tina Sandoval disappears, her parents and loved ones spend years searching for her; a secret she was keeping may lead to clues about what happened to her.

San Diego detectives investigate the deaths of a young woman and her 10-month-old child.

A car belonging to a missing man erupts in a blaze, leading to clues regarding his whereabouts.

An in-depth look at the journalists who exposed the dangers of cult leader Reverend Jim Jones; interviews with witnesses to murders carried out by Jones' followers.

A popular therapist suffers a deadly attack in her Hollywood Hills home and police must trace a trail of deadly obsession and rage to find her killer.

The murder of a popular hairdresser in Cincinnati leaves police stunned and desperate for answers; an unexpected break comes when a routine traffic stop in a neighboring county uncovers a vicious and deadly plot no one saw coming.

A well-respected firefighter and loving family man is found gunned down outside his Philadelphia home, sending police on a furious search for his killers; what they find stuns even the most hardened investigators among them.

After a loving father is found dead in the bedroom of his Oklahoma home by his ex-wife, Broken Arrow police must unpack a complex family dynamic and a loyalty based on greed in order to get answers.

Police believe that a dependable Florida man left town of his own volition when he fails to show up for work, but as years go by, town rumors lead police to unearth a gruesome crime.

An investigation quickly turns cold in rural Tennessee when the body of a small-town farmer and businessman is found near a trash pile; the case is reopened 25 years later, hoping advances in technology will finally help close this cold case.

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.

A loving father and veteran suddenly vanishes in coastal South Carolina; as investigators question those close to him, they find the unraveling threads of a love triangle; when his body surfaces in a nearby river, a crime of passion comes to light.

The disappearance of a loving family in rural Arkansas leaves authorities searching for clues; a grisly discovery puts them on the trail of ruthless killers driven by hate and revenge.

A young woman appears strangled and posed in the Kensington neighborhood; when more victims are found assaulted in an eerily similar fashion, detectives race against the clock to find the perpetrator before he strikes again.

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.

The disappearance of a loving family in rural Arkansas leaves authorities searching for clues; a grisly discovery puts them on the trail of ruthless killers driven by hate and revenge.

A well-respected firefighter and loving family man is found gunned down outside his Philadelphia home, sending police on a furious search for his killers; what they find stuns even the most hardened investigators among them.

A haunting text message leaves the family of a missing young man desperate for answers; as Chicago detectives work through multiple theories, they eventually unearth the shocking truth to his sudden disappearance.

After an Air Force pilot is found shot to death in his Ohio home, authorities embark on an international manhunt that spans over a decade to bring the fugitive to justice.

A prominent booster with ties all the way to the top of 'Bama football suffers a fall from grace. But as he fights to clear his name, his naked dead body is found by his housekeeper in a bloody scene that appears to be a violent murder.

When a woman is abducted during her evening shift at a gift shop, her family keeps the case in the public eye for decades, until investigators finally solve the mystery.

When a woman is abducted during her evening shift at a gift shop, her family keeps the case in the public eye for decades, until investigators finally solve the mystery.

After filming wraps on an indie horror movie, the cast members learn their lead actress is not who she says she is and has been charged with killing her uncle.

Kelly and her team investigate a murder that shocked the small Louisiana community of Morehouse Parish; the brutal stabbing and bludgeoning of beloved mother and church member Mattie Williams; enhanced episode.

Siegler and McClary travel to Dickson County, Tenn. to search for clues that may help solve the 1998 murder of a grocery store owner.

Kelly and Yolanda try to determine if it was an accident when a clock radio is found in a bathtub full of water with a woman.

A torso found floating in Texas' Galveston Bay leads to the arrest of billionaire Robert Durst; for the first time, Kelly Siegler gets attorneys from both the defense and prosecution to discuss the Texas Trial of the Century.

Houston police suspect foul play when an elderly couple die in their home, but the case goes cold; years later, a family friend turns on their lover and reveals the shocking truth before testifying in court for prosecutor Kelly Siegler.

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.

When two young women are brutally murdered in Phoenix, friends and family wait decades for answers; when advancements in DNA reinvigorate the case, police discover the killer has been hiding in plain sight.

Analyzing the investigation into the gruesome murder of an esteemed Southern doctor; an anonymous tip leads police to uncover a pattern of lust, greed and a complex dynamic between twin sisters.

Updates to an episode with new details and interviews; the son of a wealthy psychologist finds his father murdered and points the finger at his mother; investigators delve into the marriage, revealing darkness hidden behind a facade.

Missouri police are called to the home of a prominent judge's daughter to find her husband dead on the couch; while the crime scene suggests a break-in, investigators uncover evidence of a scandalous murder plot driven by greed.

When a beloved Florida mother is found brutally shot to death and her newborn missing, investigators race against the clock to track down a mysterious visitor whose motives prove sinister.

Serenity in the Montana mountains is shattered when a man is shot to death on his neighbor's land; detectives learn of an escalating dispute over trail access and reenact the shooting to discover if claims of self-defense match the evidence.

A feud between neighbors in the quiet suburb of New Brighton, Minn., turns deadly when one man's passion for local wildlife drives his neighbor to snap; investigators must determine whether the shooter acted out of self-defense or bitter revenge.

When an eight-year feud between neighbors in Santa Clarita, Calif., ends in a violent confrontation that leaves one man dead, detectives investigate if the shooting was a tragic case of mistaken identity or a calculated murder plot.

A beloved pastor is fatally shot in his sleep by a mysterious intruder; investigators uncover a scandalous lifestyle and sordid family secrets that send shock waves through a small Oklahoma community.

When a young mother goes missing in rural Ohio, it's a race against time to uncover the truth behind her disappearance; as evidence begins pointing to foul play, investigators fear she may have been the victim of a toxic family dynamic.

After a hardworking family man is gunned down in his driveway, a domestic dispute leads investigators to an unlikely culprit and unravels a history of violence, lies and betrayal.

A loving father and husband of an aspiring gospel singer is found shot to death in the passenger seat of his car; when investigators discover a previous attempt on his life, they expose a group of killers driven by greed.

When an Indiana collector of race car memorabilia is found shot in broad daylight with no eyewitnesses, detectives follow the evidence to reveal the true mastermind behind this twisted murder plot.

A young pastor grieves after his wife dies in a house fire, but when shocking secrets are revealed, a community is shattered; a look at whether or not a prophecy could have predicted her death.

A frantic woman calls 911 saying her boyfriend shot himself, but the story keeps changing; it takes a risky gambit to unravel the truth.

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

A woman's death is initially ruled a suicide, but when a new investigation begins, police begin to suspect murder.

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 recently engaged Manhattan Beach police officer is gunned down during a routine traffic stop, detectives rely on the eyewitness account of a traumatized young boy to track down a cold-blooded killer.

When a popular restauranteur disappears, investigators must rely on a patchwork of witnesses and a local journalist to uncover treacherous secrets… all of which leads them to a grisly killer with an unappetizing M.O.

When world champion boxer Vernon Forrest is gunned down in cold blood, all hands are on deck to bring justice for the fallen Atlanta icon; APD detectives must figure out if this shooting was random or a result of the victim's celebrity status.

After a 23-year-old suburban Atlanta mother is shot and left for dead in front of her infant daughter, investigators unravel a complicated scheme involving someone close to the victim, shocking the Powder Springs community.

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.

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.

A young woman tells her mom she's going out for a night with friends and never returns home in a puzzling case that went cold for nine heartbreaking years until a shocking confession breaks the case wide open and exposes the brutal missing piece.

When a wealthy churchgoing woman is found murdered in her bedroom just a week before Christmas, investigators initially believe this is a robbery gone wrong; the painstaking investigation, however, uncovers a killer much closer to home.

Investigators working on the cold case murder of a beloved Orange County millionaire uncover a box of old tape recordings that reveal long-buried secrets, leading them on a path to finally nail the killer.

When an ambitious college student is stabbed to death after a campus concert, the brutality of the attack leads police to believe it must have been personal; the resolution nine years later, however, proves darker than anyone could have imagined.

When an officer discovers a man dumping bags of more than 60 body parts into the Passaic River in East Rutherford, N.J., investigators work to identify the victim and corroborate the chilling story of a confessed killer.

A 15-year-old missing persons case is reinstated when an anonymous tipster leads police to unearth a grisly murder; as witnesses come forward, North Carolina investigators must try to piece together the crime and bring the killer to justice.

A hardworking family man is shot to death in front of his wife during a morning walk with their dog; as police determine if the attack was random or targeted, they uncover a web of deceit spanning across state lines.

20 years in the making, this special reexamines the Internet's first murder trial, revealing a twisted seductress with a skill for manipulation; after time in prison, she has a second chance at life and love with a stunning final update in her case.

When a young Missouri couple is found shot to death on their front porch, the victims' past quickly reveals several suspects close to home; investigators press for a confession from one of the co-conspirators to expose a master manipulator.

Decades pass before investigators utilize advancing technology to reveal the clown killer who shot a mother in Florida.

The disappearance of a loving family in rural Arkansas leaves authorities searching for clues; a grisly discovery puts them on the trail of ruthless killers driven by hate and revenge.

The murder of a popular hairdresser in Cincinnati leaves police stunned and desperate for answers; an unexpected break comes when a routine traffic stop in a neighboring county uncovers a vicious and deadly plot no one saw coming.

Lead investigators and family members speak about the murder of Colorado mother Kelsey Berreth, whose disappearance made national headlines after she was last seen grocery shopping on Thanksgiving in 2018.

Lead investigators and family members speak about the murder of Colorado mother Kelsey Berreth, whose disappearance made national headlines after she was last seen grocery shopping on Thanksgiving in 2018.

A former marine who once was the hero for a woman in an abusive marriage may have let his desire to help go too far.

After 25 years of a mostly beautiful marriage, a woman loses her husband in a brutal killing inside their own home; what at first seems to be a robbery-gone-bad is revealed to be a vicious and carefully plotted murder.

A charismatic young woman meets a dynamic and handsome man at an Orlando nightclub, and it seems like a perfect match, but a secret marriage and a lover who just can't let go spells doom for two innocent victims.

As a loving Oklahoma family embarks on a journey to understand the romantic relationship that led to a horrific murder, the relationship's secrets also reveal the killer responsible for two other murders from a years-old cold case.

A grieving husband claims his wife accidentally fell to her death but investigators become suspicious after learning his first wife also died in a freak accident.

When a Texas police detective finds his wife dead from a gunshot wound, his fellow detectives work to uncover if her death was an accident, a suicide, or something more sinister.

A terrifying crash off a mountain road leaves one woman dead and her husband injured; the fatal accident raises suspicions as a family fights to expose the real story.

A well-respected firefighter and loving family man is found gunned down outside his Philadelphia home, sending police on a furious search for his killers; what they find stuns even the most hardened investigators among them.

The murder of a popular hairdresser in Cincinnati leaves police stunned and desperate for answers; an unexpected break comes when a routine traffic stop in a neighboring county uncovers a vicious and deadly plot no one saw coming.

A popular therapist suffers a deadly attack in her Hollywood Hills home and police must trace a trail of deadly obsession and rage to find her killer.

A car belonging to a missing man erupts in a blaze, leading to clues regarding his whereabouts.

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 dancer is murdered in her Virginia home; after interviewing a series of suspects, detectives realize the case is much more complicated than previously thought.

Law enforcement officers investigate a string of deadly shootings targeting women in the border city of Laredo, Texas.

An in-depth look at the journalists who exposed the dangers of cult leader Jim Jones.

It was called the trial of the century and, decades after the polarizing case, questions remain; hear answers and insights through interviews done over the years, rare footage and revealing conversations with key players who offer new details.

A man is shot and killed while picking up his daughter for a court-ordered visit.

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.

A young woman appears strangled and posed in the Kensington neighborhood; when more victims are found assaulted in an eerily similar fashion, detectives race against the clock to find the perpetrator before he strikes again.

When two women call 911 after hearing someone break into their apartment, their call for help holds the key to solving the mysterious murder of a young graduate student named Katie Sepich.

When two women call 911 after hearing someone break into their apartment, their call for help holds the key to solving the mysterious murder of a young graduate student named Katie Sepich.

An Idaho woman's affair with her married boss leads to a lethal confrontation.

A motocross champion and a model tie the knot in Las Vegas, never knowing their wedding vows will trigger a mysterious murder plot and a decades-long investigation.

After a man is found murdered, detectives search for a motive in the seemingly senseless slaying; after considering whether it was a case of mistaken identity or a robbery, investigators ask if secret desires caused a killer to strike in God's name.

Two young newlyweds move in with the groom's mom to build for their future, but when they mysteriously disappear, investigators embark on a cross-country manhunt for a cold-blooded con man and killer.

Social climbers get remarried and blend their families; then, a mysterious disappearance leads investigators into a top-secret world of espionage, and a killer escapes justice for nearly a decade.

Just as detectives investigating the death of an Atlanta based rapper are closing what appears to be a domestic dispute case, they are faced with horrifying evidence planted by the victim seconds before his death.

The murder of an Arabi, La., man forces authorities to examine every possible lead as they eventually learn their prime suspect is closely tied to an open cold case in Indiana.

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.

After a psychic dream leads detectives in Florida to the body of a missing nurse, the ensuing investigation uncovers a series of brutal betrayals exposing a vengeful killer fueled by jealousy.

Oscar Pistorius shoots and kills his girlfriend just eight months after competing in the London Olympics, telling police that he believed she was an intruder, and he was acting in self-defense.

An investigation of abuse allegations against one of the owners of the religious reform school Circle of Hope.

Rapper Meek Mill discusses controversies surrounding the criminal justice system, the parole system, wrongful convictions, challenges faced by law enforcement, alleged police abuse, and other topics.

New interviews with insiders reveal how career criminal Charles Manson convinced his followers to kill innocent victims and deliver him the fame he craved.

When a woman returns two days after being reported abducted, authorities believe it's a hoax until a similar crime forces them to take another look.

A man shot and killed two teenagers breaking into his home. He said he acted in self-defense. The investigation uncovered an astonishing piece of evidence that told a different story.

The murder of a businessman exposes a tangled web extending from the Pacific Northwest to the North Dakota oil patch; investigators race to piece together seemingly disconnected clues to catch a monster before he strucks again.

Friends of accused murderer Robert Durst talk about his arrest in New Orleans and his previous whereabouts over 30 years.

Four years after a 28-year-old dies after hosting a New Year's Eve party, a jury must decide if it was suicide or murder.

Examining what it's like to discover that a person's significant other is actually a vicious murderer.

A college student is found murdered in a residential neighborhood; as police search for the truth, they are stunned to learn that one of their own might be involved.

A college student is found murdered in a residential neighborhood; as police search for the truth, they are stunned to learn that one of their own might be involved.

Deede Keller has a loving family, a tight circle of friends and a new man in her life; when she vanishes, disturbing clues point investigators to a suspect with a dark secret; the case provides a twist that leaves the courtroom astonished.

At a VA hospital in West Virginia, a string of severe hypoglycemic events results in the deaths of several patients; after an investigation ensues, a pattern reveals the work of a serial killer lurking within the halls of the hospital.

A local Washington man's life is at stake when detectives are alerted to a murder for hire plot against him; they set up a sting operation to catch the ruthless mastermind before it's too late.

After a member of the Indiana cycling community is found mysteriously murdered, medical examiners discover the victim ingested potentially lethal amounts of poisonous mushrooms; Police must work to uncover the culprit behind this bizarre crime.

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.

A young woman appears strangled and posed in the Kensington neighborhood; when more victims are found assaulted in an eerily similar fashion, detectives race against the clock to find the perpetrator before he strikes again.

When the body of a young woman is found hidden in tall reeds in a quiet park near her home, fear grips the Queens neighborhood; after months of ceaseless investigation, a clue from the past leads NYPD detectives to an unexpected killer.

Days before the New Millennium, a jailed informant calls the NYPD with a cryptic tip about a murder, sending detectives on a hunt through dozens of New York's high-rise buildings, in search of a crime scene - and a body.

Two young women come to New York with big city dreams, but a chance encounter triggers a sequence of events that shatters those dreams forever; detectives must piece together a series of puzzling clues to bring the killers to justice.

When Fort Lauderdale, Fla., police respond to reports of a deceased male who fell down the stairs, their investigation turns to a homicide case; with multiple witnesses and an attorney on scene, investigators must dig deep to get to the truth.

After returning from several tours of duty abroad, a soldier is found beaten to death on his own army base in Hinesville, Ga; Investigators soon discover the greatest danger may have been waiting for him closer to home.

The murder of a local café owner leads a small-town police force to uncover a diabolical scheme fueled by scandalous temptation.

In Gilmer, Texas, firefighters find a man's charred body while battling a vehicle fire; the ensuing investigation reveals a sinister murder plot that shocks the residents of the small town.

A tumultuous household dynamic results in the deaths of four family members.

When a woman covered in blood shows up on her neighbor's doorstep, Georgia police commence a home invasion investigation that leads them to uncover more twists than they could have ever imagined.

When a man and his dog make a disturbing discovery in a backyard beach, a series of horrifying events unfold in a sleepy South Carolina town; investigators fear no one is safe as they desperately track a killer potentially hiding in plain sight.

When a long held secret in Florida threatens to expose a deadly truth, investigators work to unravel a baffling mystery; the dark life of a beloved mother may have put her in danger; a husband's desperate pleas may be the key to solving the case.

A well-respected firefighter and loving family man is found gunned down outside his Philadelphia home, sending police on a furious search for his killers; what they find stuns even the most hardened investigators among them.

The disappearance of a loving family in rural Arkansas leaves authorities searching for clues; a grisly discovery puts them on the trail of ruthless killers driven by hate and revenge.

The horrific attack of a beloved spiritual leader takes an investigation into a dark underworld of black magic and unbridled rage.

When a Navy man falls victim to a deadly home invasion, the search for his killers exposes both a sordid romance and a deadly conspiracy within his own ranks.

The disappearance of a well-respected Georgia man triggers an investigation into the dangers of online dating and reveals a disturbing plot borne of lust and greed.

The survivor of a horrible attack is convinced police have the wrong suspect.

The survivor of a horrible attack is convinced police have the wrong suspect.

The double murder of Tammy Jo Parker and Bryan Capnerhurst appears to be a case of self-defense until it emerges that Parker's husband, Brett, is a bookie with a mounting gambling debt.

A quiet night is shattered when intruders terrorize a Florida couple and their young son, killing one of them; investigators question the initial story; a tip leads them to another family with dark secrets, and that's when bonds are tested.

In Mustang, Okla., firefighter Keith Bryan reconciles with his wife, then he is shot in his own home and dies a few hours later at a nearby hospital.

An affluent grandmother falls victim to an elaborate murder plot fueled by passion and greed.

The investigation into a missing mechanic sends Texas authorities on a wild goose chase that ceases at a dead end, until years later, when a new tip heats this cold case to a boil.

When authorities discover a young woman's body in a shed, they struggle to determine whether her killer is someone under her own roof or the result of an illicit affair.

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.

A respected and beloved chiropractor is found bludgeoned to death in his home outside Philadelphia; investigators take a hard look at those closest to him, but soon learn the murderer is someone they least expect.

A young woman appears strangled and posed in the Kensington neighborhood; when more victims are found assaulted in an eerily similar fashion, detectives race against the clock to find the perpetrator before he strikes again.

When a beloved college student dies under suspicious circumstances, controversy rages for years between investigators, medical examiners and her family, until a final shocking conclusion is reached.

A former Gang Unit investigator is found dead in his crashed van on the freeway, and all signs point to a DUI. But when four bullets are found in his body, a decade-long homicide investigation must consider gang retribution or lover's revenge.

When a pregnant army wife and mother are found shot to death in her home, it is ruled a suicide, but dogged police work unlocks a devious plot and secrets buried in ashes thousands of miles away.

When a homemaker dies in her hot tub, detectives in a normally quiet Idaho town first believe it to be a horrible accident. But the investigation leads back to the unsolved murder of her husband, reminding police that lightning never strikes twice.

When a young husband dies in a fiery car crash, investigators believe his death was a tragic accident, but when his widow seems more relieved than aggrieved, detectives make a shocking discovery.

On the edge of divorce, a couple's argument over custody turns deadly; the husband claims he killed his wife in self-defense when she attacked him with scissors, but a look into his past holds a deadly secret.

A well-known rock climber is found dead at the bottom of a cliff, shocking his family and the local climbing community; however, a closer look reveals more sinister details and dedicated investigators must determine the tragic truth.

When a Costa Rican computer programmer in search of the American Dream appears dead in his bathtub, detectives dive into a complex web of love, betrayal and organized crime, uncovering an unimaginable motive behind his brutal murder.

A doting grandmother alerts police when she recognizes her daughter's dead body on the evening news, triggering an investigation that proves blood isn't always thicker than water.

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 Costa Rican computer programmer in search of the American Dream appears dead in his bathtub, detectives dive into a complex web of love, betrayal and organized crime, uncovering an unimaginable motive behind his brutal murder.

A well-known rock climber is found dead at the bottom of a cliff, shocking his family and the local climbing community; however, a closer look reveals more sinister details and dedicated investigators must determine the tragic truth.

The disappearance of a loving family in rural Arkansas leaves authorities searching for clues; a grisly discovery puts them on the trail of ruthless killers driven by hate and revenge.

After Todd Chance is murdered, police follow a trail of video evidence as they work to track down the killer.

After Todd Chance is murdered, police follow a trail of video evidence as they work to track down the killer.

Conflicting physical evidence confounds detectives after beauty queen Nona Dirksmeyer is found beaten to death in her Arkansas home.

Kay Mortensen took pride in preparing for every possible threat, so when he was found dead at home, those who knew him were stunned; the brutal killing put two of Kay's loved ones behind bars and in danger, but the truth may set them free.

Jodi Arias is convicted of murdering her ex-boyfriend, Travis Alexander.

The murder of a popular hairdresser in Cincinnati leaves police stunned and desperate for answers; an unexpected break comes when a routine traffic stop in a neighboring county uncovers a vicious and deadly plot no one saw coming.

A well-respected firefighter and loving family man is found gunned down outside his Philadelphia home, sending police on a furious search for his killers; what they find stuns even the most hardened investigators among them.

The disappearance of a loving family in rural Arkansas leaves authorities searching for clues; a grisly discovery puts them on the trail of ruthless killers driven by hate and revenge.

A concerned father in Arkansas reports his son missing, launching an investigation that would unearth a dark network of lies and a horrific discovery more deadly than police ever imagined.

A small town church is stunned when a parishioner is murdered; in a shocking twist the suspect pool is drawn directly from the church walls.

When a charismatic father and adored member of the local youth sports community is bludgeoned to death, police must discern fact from fiction to pinpoint his murderer.

A troubled woman turns her life around when she moves back home to the family farm; when her elderly mother disappears, police uncover a twisted web of deceit, betrayal and forbidden romance.

A parking lot shooting in the dead of night leaves detectives with a long list of suspects, but the killer hides in plain sight.

An Army vet survives two tours in Iraq, only to be gunned down in his own home.

A quiet Wisconsin town is rocked by its first homicide in six years when an eccentric father of four is found dead in his basement.

A family of rodeo queens is thrown into turmoil when their patriarch disappears from his Dalhart, Texas ranch; as investigators search for the missing father, they expose family secrets that may lead to a gruesome murder plot.

A true crime series that examines meticulous killers who plan murders for weeks, months or even years.

When a Costa Rican computer programmer in search of the American Dream appears dead in his bathtub, detectives dive into a complex web of love, betrayal and organized crime, uncovering an unimaginable motive behind his brutal murder.

A family of rodeo queens is thrown into turmoil when their patriarch disappears from his Dalhart, Texas ranch; as investigators search for the missing father, they expose family secrets that may lead to a gruesome murder plot.

A true crime series that examines meticulous killers who plan murders for weeks, months or even years.

A popular therapist suffers a deadly attack in her Hollywood Hills home and police must trace a trail of deadly obsession and rage to find her killer.

A mysterious shooting of a religious family man leaves a community questioning if it was a drug-related slaying or a bloody family affair.

When a Brooklyn native is found shot to death in the backseat of his car in a rough Atlanta neighborhood, police have to figure out if trouble followed him south or if the killer is in his inner circle.

A well-known rock climber is found dead at the bottom of a cliff, shocking his family and the local climbing community; however, a closer look reveals more sinister details and dedicated investigators must determine the tragic truth.

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.

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.

In an effort to uncover the truth, a group of Detroiters band together to clear the names of Tommy and Ray Hughes who have spent 25 years in prison for a murder they say they did not commit.

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.

When three generations of a family are murdered inside their Bakersfield home, police find their main suspect was over 2,000 miles away at the time; it will take the combined efforts of law enforcement and an entomologist to deliver justice.

Delving into the story surrounding the Turpin family and the parents, David and Louise, who have been charged with keeping their children shackled and starved within the four walls of their own Perris, Calif., home.

A woman is shot to death while driving her sons home from a Thanksgiving celebration; the hunt for her killer leads to an unlikely suspect, making investigators realize her murder is not as random as it seems.

A deranged shooter attacks a family Thanksgiving dinner, leaving four dead and even more wounded, setting off a massive holiday-season manhunt to catch the killer - before they can strike again.

The trial of Scott Peterson who was convicted for the murder of his wife and unborn child.

When a devoted husband and father is found shot to death on his bathroom floor, the case is quickly ruled a homicide; a key witness starts changing their story, detectives must determine if this was an act of self-defense or premeditated murder.

A frantic Ohio woman seeks refuge in a fast-food restaurant after escaping from a deadly assault; police sort through contradicting stories to expose a habitual criminal.

When a beloved Wisconsin father disappears, his wife blames drugs, but close friends suspect a violent confrontation that ended a marriage filled with secrets.

A churchgoing southern woman loses her husband to tragedy, but a cloud of suspicion haunts her new marriage and leads investigators to a new conclusion.

A violent home invasion leads to suspicion about the victim's stepdaughter and a mystery man, but a startling confession reveals a more intimate betrayal.

A popular cab-driver is shot dead on the job, but the search for his killer reveals his wife's secret prison visits, a torrid affair and a possible conspiracy.

Expectant mother Laci Peterson vanishes in Modesto, California, on Christmas Eve 2002; while the community desperately searches for her, the police narrow their focus on her husband Scott, and the case becomes a national media sensation.

Laci's body is discovered, and Scott becomes the most hated man in America; the whole world tunes in for Scott's trial, and he is convicted of murder; now, Scott shares what was going through his mind and the thoughts that haunt him.

For 20 years since Scott's conviction, those closest to the case have been uncovering new evidence and investigating alternative theories of what may have happened to Laci on December 24, 2002; now, the Los Angeles Innocence Project joins the fight.

The murder of a beloved widower leaves police wondering what secrets his marriage, to his much younger wife, might be hiding.

A popular therapist suffers a deadly attack in her Hollywood Hills home and police must trace a trail of deadly obsession and rage to find her killer.

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.

A woman is found murdered in the remains of a house that has burned to the ground, and it will take years to unravel the mystery of what happened to her.

A trail of texts helps prosecutors build a case in the disappearance of Kevin Mengel, but a surprise awaits them.

A young man is crushed by a truck in his father's driveway, leading police to first rule the death as an accident; the case is re-examined.

A family of four is found dead inside a partially burned Indiana home; when investigators discover that two of the victims died from gunshot wounds, the race is on to determine whether the killer was a stranger or someone closer to home.

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.

The story of the largest murder investigation in Ohio's history exposes an underbelly of violence in a haunting story of lies, secrets and betrayal.

A horrifying hit-and-run leaves two women near death and their families blaming each other; the search for the truth leads detectives on a massive hunt for a father who can't bear to witness his daughter's freedom.

Firefighters discover a body in the wreckage of a rural inferno and uncover a deep-seated dispute between a pair of stepsons and their surrogate father that may be to blame; police uncover stunning footage that reveals the truth behind the attack.

When a young mother, her daughter and a friend vanish after a visit with extended family, those close to the victims suspect foul play; without proof, the mystery deepens until a member of one of the feuding families makes a shocking admission.

A bar owner's body is discovered in a quarry pond; his killer remains a mystery to investigators for years while his increasingly divided family fears one of them must be the murderer.

A popular therapist suffers a deadly attack in her Hollywood Hills home and police must trace a trail of deadly obsession and rage to find her killer.

The disappearance of a loving family in rural Arkansas leaves authorities searching for clues; a grisly discovery puts them on the trail of ruthless killers driven by hate and revenge.

A true crime series that examines meticulous killers who plan murders for weeks, months or even years.

An Air Force sergeant is gunned down in his garage revealing an elaborate conspiracy with an unlikely mastermind.