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.

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.

When a college student goes missing, a search of her Bronx apartment leads the NYPD to suspect foul play. The investigation stalls until a witness comes forward, prompting an undercover sting operation that blows the lid off a deadly conspiracy.

Talented performer Jennifer Stahl and four friends are discovered shot execution-style above New York's iconic Carnegie Deli in the theater district; when the news breaks, the entire city fears there's a cold-blooded killer on the loose.

A pair of double homicides in Nebraska, five years apart, lead police to fear a serial killer may be on the loose.

A pair of double homicides in Nebraska, five years apart, leads police to fear a serial killer may be on the loose.

Detectives in Portland, Ore., discover a puzzling connection between the 2018 murder of chef Dan Brophy and a blog post written years earlier titled,.

Kelly and Steve Spingola head to Wisconsin to investigate a homicide; the case becomes personal after they receive a letter from the victim's daughters; their search uncovers a town's dark side, crimes against children and lies within a church.

Kelly and Tonya Rider investigate the strange death of a retired college professor in Tonya's home town, whose cremation was halted by an anonymous tip call hinting at murder; an autopsy proves the tipster's information is accurate.

A deadly crime spree hits rural Kaufman, Texas, taking the lives of two prosecutors; the murders set off fear in the community about who is targeting the protectors of justice; the truth hits much closer to home than expected.

Prosecutor Kelly Siegler and her co-counsel unravel the mysterious hit-style murder of young suburban mom Farah Fratta; to prove the suspect masterminded her murder, Kelly demonstrates how the killer used his church and children as an alibi.

When a young soldier disappears at an Army base in North Carolina, the police, military and community band together to try to find her; with time running out, a bounty hunter turned PI enacts a plan to coax a suspect to confess to her whereabouts.

A mysterious double shooting outside of a record label in Nashville leaves music city clamoring for answers; investigators search for clues and along the way are brought into the sordid underbelly of the country music industry.

When a man goes missing in rural Barnesville, Ga., investigators try to determine if he left on his own or if foul play occurred.

After a Georgia father is discovered bludgeoned by a hammer in his own bedroom, it takes years for detectives to nail down if this murder is connected to a series of online romances or a case of mistaken identity.

When a devoted father is found brutally stabbed to death in his Florida home, detectives turn their focus to the picture-perfect family who appear to have it all.

After a well-known business owner is found dead in his Lake Orion apartment, investigators are left untangling a web of lies to uncover a deadly duo looking to get rich quick.

When two sisters' husbands turn up dead within weeks of each other, Florida detectives investigate whether the cases are linked.

Police race for answers after a school teacher is found murdered in her San Antonio, Texas, apartment; while lies and betrayals come to light, the case goes cold, but one detective refuses to give up.

Two desperate, young lovers lead investigators on a cross-country manhunt full of murder and mayhem; hearing directly from one of the suspects in an exclusive interview.

A married couple is suspected of foul play when a beloved school teacher goes missing.

A deeply religious woman and her bible-study partner become the primary suspects in an execution-style murder.

Two teen runaways become ensnared in a homicide investigation when someone who disapproved of their relationship is discovered murdered.

A wife's betrayal leaves her jealous husband plotting revenge, and the consequences are deadly.

A lonely man longing for affection finds the attention he needs in an unlikely person, but his desire has lethal ramifications.

Two teenage lovers fall under suspicion after someone close to them meets a deadly end.

Millionaire banker and mother-of-two Shele Covlin had it all, until she fatally slipped and fell in her Upper West Side bathtub; days after her burial, information emerges, and the NYPD realizes this may be no accident.

Realtor to the stars Linda Stein is found bludgeoned to death in her apartment, but her larger-than-life personality meant Linda made enemies as well as admirers; with evidence from the crime scene, only painstaking sleuthing can identify her killer.

Firefighters make a grisly discovery while responding to a house fire in a Toronto suburb; as a family searches for answers, investigators launch an elaborate undercover sting that reveals a devious murder-for-hire plot and the ultimate betrayal.

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

Against all odds, a young woman is found alive after an attack on her and a friend near Corpus Christi, Texas.

Kelly and Johnny Bonds return to their home state of Texas to look into the disappearance of a young mother in 2000, whose family has never given up on her; while some suspect murder, others claim to have seen her on the run with a mystery man.

Kelly and Johnny Bonds answer the call of a grieving mother, whose 19-year-old son drowned while camping with friends; despite the medical examiner ruling it an accident, some suspect foul play.

When a Kapowsin, Wash., mother is discovered murdered on her couch in a compromised position, investigators must piece together all the evidence to determine if this was a random crime of opportunity or a facade to humiliate the victim.

Allegations of real estate fraud and rumors of murder have Sarasota Police on the trail of a criminal whose final plan to evade trouble lands her in the very hands she tried to avoid.

When a young paralegal is discovered bound and stabbed to death in his Lakewood Heights home, Atlanta detectives race to find his killer.

When an Atlanta businessman is shot to death in front of his son's preschool, detectives try to track down the disguised gunman.

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 secretary is found shot in the head inside a suburban Philadelphia church, putting the close-knit congregation on edge; as gossip and theories swirl, detectives unfold a strange tale of jealousy.

A grad student is killed in her Rittenhouse Square apartment; detectives follow clues across the country, uncovering a hidden evil that changes how Philadelphia investigates sex crimes.

A mass shooting in Chelsea leaves one dead and three injured; the detective discovers this is the latest in a series of murders spanning multiple precincts; investigators find themselves plunged into the underground world of New York's bouncers.

NYPD detectives race to unravel the strange murder of one of their own before a devious killer slips out of the country.

An indie film star is found dead in Greenwich Village, the victim of an apparent suicide; as detectives discover one eerie clue after another, they realize things aren't what they seem.

When RV-lifestyle couple James and Michelle Butler go missing while camping along the southern coast of Texas, the discovery of human remains leads authorities to embark on an international manhunt to bring the fugitives to justice.

Texas police investigating the stabbing death of a mother uncover a bizarre scene: poisoned pudding, cell phones submerged in water, and a bathtub rigged for electrocution; in the end, a disturbing plan is revealed, driven by a young love gone wrong.

Florida authorities rely on DNA evidence to try to nail the killer of a woman who was abducted from her late-night job at a convenience store, raped and strangled.

A wild fire in a secluded parking lot leads police to discover a dreadful homicide, with the suspect's image caught by security cameras.

After a prominent Arizona surgeon is found stabbed to death outside his office, investigators uncover an unlikely suspect with deep pockets and an even deeper hatred for the doctor.

A killer leaves equally incriminating evidence at the scene when he meticulously wipes away his fingerprint and shoe impressions.

Police don't have a basis for comparison to match shoe impressions, blood drops and DNA evidence from a murder scene.

A masked gunman kills two members of a family and wounds two others after they interrupt his burglary at their upscale suburban home.

After a woman is found dead at a yacht club in California in an apparent case of love gone wrong, investigators discover her home life was as dramatic as films made in nearby Hollywood.

The brutal murder of a state park employee over $2,000 rattles her co-workers and tourists while leaving police to sift through hundreds of leads.

When evidence shows a woman's rape and murder, police must find the killer as well as the victim.

A week after a couple disappears from the beach, police get a mysterious lead from a robbery.

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 young mother's disappearance sparks a bitter division among those she leaves behind; as the infighting intensifies, detectives scramble to find out what happened to her, only to discover that a conspiracy to kill is fresh underway.

The investigation into the death of a woman whose remains were found in her Frisco, Texas, garage leads detectives to a series of suspects with connections to the victim's complicated and secretive life.

The investigation into the death of a woman whose remains were found in her Frisco, Texas, garage leads detectives to a series of suspects with connections to the victim's complicated and secretive life.

A microscopic clue and a stroke of luck help authorities solve the murder of a young woman that took place inside her Jacksonville Beach, Fla., home.

Kelly and Abbey Abbondandolo investigate the cold-blooded murder of a fun-loving Texas country boy shot in the back of his head; it could the result of a love triangle gone tragically wrong.

Kelly and Steve Spingola investigate the brutal slaying of beloved mother Eloise Payne, who was stabbed 38 times in her Michigan home; a mysterious car spotted in the area may hold the key to identifying her killer.

Tragedy strikes rural Iowa as two women are found murdered in their homes; when a local bank is robbed the same day, investigators connect the crimes to an unfolding crime spree and race to find the killer siblings before they can strike again.

A peaceful town is rocked by the murder of the young wife of a preacher's son; the investigation leads detectives to two brothers: one with a deadly ambition, and the other willing to do anything to earn his brother's love.

A woman is found stabbed to death in her own home; when police learn of her husband's brutal family history, a matriarch bludgeoned with an axe, an incestuous affair, and a vicious inheritance battle, they need to find out if there's a connection.

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.

An affluent family at war with each other for over a decade, find themselves at the center of a murder investigation when a beloved uncle is found dead. Police unravel a conspiracy involving a wayward son and a counterfeit secret agent.

Mike Williams goes out duck hunting before dawn and never returns; authorities declare his death an accidental drowning, but Mike's mother believes he was murdered; after a dramatic secret comes to light, police believe she may be right.

A crime makes the headlines in a small town; police close in on a local hero as the suspect; a hunt for justice may become the hounding of an innocent man.

In the town of Prescott, Ariz., Carol Kennedy returns from an evening jog and calls her mother for their nightly chat; the call ends abruptly and so begins the mystery on Bridle Path.

Sandi Johnson, who always put her kids first, vanishes without a word; police discover dark secrets in Sandi's marriage and several men in her life.

After college student Angie Samota was stabbed to death, police had no shortage of suspects; a crucial clue narrowed their list to one name, but it would be years before technology and a tenacious friend came together to help unravel this mystery.

Single mother Marie Singleton falls hard for Andre Jackson, a single dad raising his two kids; the couple marries and seems happy, then Marie vanishes and investigators discover secrets that may be related to her undercover job.

Raven Abaroa swoops into Vanessa Pond's life and steals her heart; then, Vanessa discovers her dream man has a tragic past: his first wife was killed; dark secrets are about to be spilled.

Wendy Trapaga is a beaming young bride, and just four days after saying.

In high school, Christian, Erika and Pedro formed a tight trio: best friends who excelled at academics and shared big dreams; when they went to college something changed; it started with a secret romance and ended in tragedy.

Nikki Whitehead was a single mom working toward a brighter future; she found love, moved into a nice neighborhood and enrolled in college, then tragedy struck; police searched for answers but one thing was certain: this crime was personal.

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 gruesome Thanksgiving triple murder case lays bare a family's violent past, including a son and daughter each with a score to settle; as the years pass and the case goes unsolved, three families desperately fight for the truth and justice.

Police initially suspect natural causes as they investigate a man's death, until they learn about an unconventional love triangle, which points the investigation in a new direction.

Police initially suspect natural causes as they investigate a man's death, until they learn about an unconventional love triangle, which points the investigation in a new direction.

When young mother and paramedic Annamarie Cochrane Rintala is found dead at the bottom of her basement stairs, it takes four trials and 13 years before justice is served.

Kelly Siegler and Aaron Sam look into the disappearance of a father who tragically vanished just before he could move back home to his family; they ask if a financial windfall could have had something to do with the man's disappearance.

Young mother Heyzel Obando is shot to death in her home, and it will take old-school interrogation skills to catch the killer and bring justice to her grieving mother.

Spree killer Joanne Dennehy's daughter Shianne shares how she has struggled to come to terms with the realities of being the child of Britain's most dangerous woman.

Peter Tobin raped and murdered Angelika Kluk in 2006, and with the help of his ex-wife, Cathy Wilson, a groundbreaking investigation unearthed more victims and revealed him to be a serial killer.

When a Texarkana square dancer is gunned down on the steps of her home, detectives follow a trail of surveillance footage leading straight to the killer.

After a beloved town librarian is gunned down, investigators discover that this murder-for-hire gives a whole new meaning to a broken heart.

When the last real cowboy is found dead at home, detectives dig in and are hard-pressed to find anyone who'd want to see this loving father murdered; a closer look at his nearest confidants unravels a heinous plot twisted by love and money.

As investigators dig deeper into a man's disappearance, they realize his recent online presence may be a charade.

Vince Goslyn's military career was thriving and he had built a beautiful family; one night, the father of five was gunned down.

Amber Belken, a young woman with big dreams, is found murdered; three people know the truth if Amber was the victim of a robbery gone wrong or if the brutal crime was personal.

Before she disappeared, Heather Elvis was a young woman who was eager to make her mark on the world; investigators discover a lover triangle and think they have their motive.

Sandra and Jamie Melgar are high school sweethearts who are celebrating their 32nd anniversary, but the intimate evening turns deadly; to crack the case, investigators must uncover the secrets of an illusion that is worthy of the great Houdini.

With six people killed and a city under siege, a retired detective tries to figure out how the killings are linked.

Devoted to her faith and her five children, Chanin Starbuck deals with her divorce and tries to start a new life; after she is brutally murdered, the investigation reveals secrets.

Brett and Vashti are high school sweethearts who are now busy raising two boys; then a fire rips through their home; in the ashes, investigators find a mystery; what happened that night was no accident.

Former mayor and prominent attorney Melvin Roberts is larger than life; when cops find him dead in his driveway, it marks the start of a tough case.

The owner of an extreme-sport venture is found shot dead in his warehouse; police suspect a history of bad business may be to blame, until a contentious family past begins to cast doubt on his devoted son's innocence.

An unusual 911 call leaves investigators sorting fact from fiction in the search for a missing mother; while police begin to expect the worst, an illicit affair at the heart of the victim's family reveals a daughter with something to hide.

The investigation into the death of Spokane, Wash., businessman exposes a web of malevolence extending from the Pacific Northwest to a North Dakota oil field.

The investigation into the death of Spokane, Wash., businessman exposes a web of malevolence extending from the Pacific Northwest to a North Dakota oil field.

A mother searches for answers in the unsolved murder of her 14-year-old daughter until new DNA technology changes everything.

In 1988, Cindi Smith's body was located at a cemetery after a night at a local bar and the patrons could hold the key to identifying her killer and getting her family justice.

In 2012, Brian Shookman, a young father who traveled to the area to attend a family reunion, vanished and as the list of suspects grows, the team seeks to uncover the truth.

Houston police search for a serial killer preying on young women until a local man's DNA finally reveals the culprit; upon his arrest, the killer's sister and daughter learn his true identity.

The ex-girlfriend of the self-proclaimed Crossbow Cannibal reveals the mental and physical abuse she endured for years at the hands of one of the U.K.'s most heinous serial killers.

Former FBI Special Agent John Douglas and psychiatrist Louis Schlesinger take a deep dive into serial killer Edmund Kemper's troubled history, intellect and evolution; the groundbreaking FBI work that led to breakthroughs in catching serial killers.

Inside the mind of America's most notorious serial killer, Jeffrey Dahmer; new revelations and never-before-seen interviews shed light on the grizzly and twisted case, told firsthand from those closest to Dahmer, including family.

When Israel Keyes is caught for the murder of 18-year-old Samantha Koenig, police have no clue what they've stumbled upon; after intense games of cat and mouse, the FBI uncovers one of the most calculated serial killers it has ever encountered.

Two lovers set out on a deadly mission inspired by a zealous prophet to prove their devotion to each other and their religion.

A desperate couple kidnaps a wealthy businessman which leads to murder.

An ex-con and a victim of domestic abuse turn into a modern-day Bonnie and Clyde when their drug-fueled romance leads to a tri-state killing spree.

A man and his wife who murdered teenagers after using them as sex slaves.

A serial shooter terrorizes the quiet Atlanta suburb of East Point, leaving a trail of bodies and cryptic notes in his wake; with five shootings and counting, investigators race against the clock to find the killer before he strikes again.

The newly elected Dekalb County sheriff is murdered just days before taking office; when the task force digs into who would kill such a decorated public figure, they uncover a chilling conspiracy that shakes Atlanta law enforcement to its core.

With no evidence and no witnesses, detectives must find a murderer when a hero of Atlanta's West End is executed in front of his home, but the community is in disbelief when the killer is finally brought to justice and identified.

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.

In the most expensive zip code in Manhattan, an aging, eccentric art collector is found strangled in his apartment.

A mother is found savagely murdered in her upscale home, leaving a father and son to blame each other; their airtight alibis lead detectives to a murder plot involving an estranged sibling with nothing to lose.

When a couple is gunned down in front of their three young boys, a web of lies and custody battle lead detectives to a suspect; with one son's future at stake, they travel to a remote mountain to gather evidence they need to catch the killer.

Rocky Mountain National Park rangers question whether a woman's fatal fall was an accident or the result of an act of violence.

Rocky Mountain National Park rangers question whether a woman's fatal fall was an accident or the result of an act of violence.

A series of mysterious events haunt 16-year-old Cassie Jo Stoddart while housesitting and days later, she's found stabbed to death; police retrace her last day and uncover a stockpile of evidence pointing right to her killers.

With six people killed and a city under siege, a retired detective tries to figure out how the killings are linked.

A month after Mollie Tibbetts' disappearance in Iowa, investigators discover surveillance video that captures a blurred image of Mollie jogging while being followed by a mysterious black car.

An investigation into the murder of a beloved couple in South Carolina reveals a feud and divides a family.

It was Easter Sunday; the Stock family celebrated at home; hours later, gunshots turned their farmhouse into a house of horrors; there was an arrest but one tiny clue didn't fit; this case was far from being solved.

When a pastor loses a second wife in an accident, authorities become suspicious; Dennis Murphy returns to this unforgettable story of evil and betrayal, wondering how far this man of God might have fallen.

A deeply religious woman and her bible-study partner become the primary suspects in an execution-style murder.

An evangelical housewife and a former child star devise a scandalous murder plot.

An aspiring preacher and his wife become the primary suspects when their daughter-in-law vanishes without a trace.

When a retired cop is found shot to death on a subway train in Brooklyn, detectives soon discover that his death is linked to two other seemingly random shootings in the previous thirteen hours.

When a sibling dispute over money turns into a double murder, all of Brooklyn is on alert for the missing killer; days turn into months and then years, as the NYPD manhunt turns into a national and international chase for the fugitive.

Post 9/11, terror strikes again when Queens and Brooklyn are rocked by the senseless killing of neighborhood shopkeepers; with no leads and a lack of motive, the NYPD must form a task force to catch the spree killer before he claims his next victims.

In the midst of a blizzard, the abduction of a Hasidic man from his Williamsburg office sparks a desperate NYPD search; as more dark details emerge, discoveries of debts, betrayal and ties to the Russian mob send police on a mission for the truth.

When a college student goes missing, a search of her Bronx apartment leads the NYPD to suspect foul play; the investigation stalls until a witness comes forward, prompting an undercover sting operation that blows the lid off a deadly conspiracy.

When prominent Latino journalist and activist Manuel de Dios Unanue is fatally shot at a Queens restaurant, a joint task force must figure out which of a long list of enemies, including some international terror groups, is behind his execution.

A decorated soldier falls in love with a beautiful model online; tragically, after he returns home from serving two tours overseas, he's brutally murdered in his own home; a web of deceit unfolds as the picture of an unlikely killer emerges.

When police discover two murdered lovers in East Harlem, a stolen phone leads them on a journey into the heart of New York's criminal underground and beyond.

Churchgoing mom shot at point-blank range in her garage; saving her would take a miracle and investigators want to know if this crime was random or if someone wanted her dead.

Marie Carlson was radiant but behind the glow she hid a darkness; Marie drifted until a pastor and his wife welcomed her into their lives; it was a spiritual awakening which made Marie's disappearance all the more mysterious.

A man from Iowa is shot to death while sleeping in bed next to his fiancee; coincidences and quick thinking lead to surprising information regarding the killer's motive.

A man from Iowa is shot to death while sleeping in bed next to his fiancee; coincidences and quick thinking lead to surprising information regarding the killer's motive.

Kelsie Schelling disappears one night after leaving work, leading family and investigators on a four-year hunt to find the pregnant 21-year-old; cell phone records reveal what happened to Kelsie.

Police bodycams capture officers rushing to Amy Allan's house after her husband called 911 to claim she'd taken her own life; investigators delve into forensic evidence and mobile data to solve the crime.

A nurse is gunned down in her home and detectives believe they have a clear suspect; as they delve deeper into the investigation new information leads them down a completely different path.

The Colegroves are beloved in their small town, but when they're brutally murdered in what appears to be a targeted attack, a bitter dispute within their family is revealed, pitting the surviving brothers against each other.

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.

When a young mother is executed and her family critically injured, investigators piece together haunting clues and an earlier murder to capture deranged killers with a spiritual calling.

A small town church is shocked when one member is shot and another stands accused.

When newlyweds are gunned down outside a Texas church, small town cops realize they know the victims as they uncover a murder plot fueled by twisted family ties.

A church congregation is shocked when a deadly home invasion turns out to be part of a scandalous web of sex, lies and greed.

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 small-town preacher is hospitalized with a mysterious illness, North Carolina police uncover a string of suspicious deaths centered around a Burlington woman who has a hidden dark side.

After police discover a philanthropic entrepreneur shot dead in his home, a surprise visit from a stranger attending his funeral takes detectives down an unexpected path to reveal a sweet yet deceptive killer.

When a small-town Alabama resident is murdered, rumors involving a local pastor begin to swirl.

After a young mother is murdered in broad daylight, Texas authorities are on a hunt for a masked gunman. The ensuing investigation uncovers a bitter custody battle and a vicious plot born of obsession.

When a 60-year-old woman vanishes without warning, investigators discover a family blended from multiple marriages that is simmering with secrets and grudges that may have boiled over into murder.

In the Los Angeles suburbs, a family is brutally attacked in its residence, leaving four dead and a mother clinging to life; as police search for answers, suspicion grows closer to home and unveils a macabre obsession fueled by young love.

When an inferno leaves four family members dead, investigators discover a business dispute between two immigrant families that may be at the root of the incident; they are confronted with a pair of brothers who refuse to take no for an answer.

When a 60-year-old woman vanishes without warning, investigators discover a family blended from multiple marriages that is simmering with secrets and grudges that may have boiled over into murder.

After evidence of a violent attack is discovered in a West Virginia home, the body of a beloved photojournalist is found in the woods; the search for the killer reveals a sordid affair and a murder-for-hire plot with a shocking co-conspirator.

Hunters stumble across a young woman's decaying body wrapped in fabric, launching an investigation across several counties in Florida; horrific rumors quickly swirl and a night of partying that morphed into an act of desperation is revealed.

Just one month before her wedding, a nurse is shot to death in a reported roadside robbery in rural Arkansas; as investigators work to find the suspects, odd details of the attack are uncovered and a confession paints an entirely different story.

After a father is reported missing, a body is discovered in a remote Texan swamp; investigators are faced with several possible suspects as complex family dynamics come into play that expose a secret betrayal.

When a graduate student is shot dead outside of her North Carolina home, a 911 caller leads detectives to believe the victim's fiance is the key to solving the case.

When a graduate student is shot dead outside of her North Carolina home, a 911 caller leads detectives to believe the victim's fiance is the key to solving the case.

Nineteen-year-old college student Brook Baker is killed in her off-campus home; two years later, 21-year-old Erika Norman goes missing from the same university, leading detectives to examine their last days and discover the killer.

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.

The murder of a beloved anti-gun violence activist haunts Savannah, Georgia, during a summer-long shooting spree; with word of missing gambling winnings, detectives work to piece together what happened to solve the case and stop the terror.

When a correctional officer is murdered, it seems like an act of vengeance, but a love triangle is exposed; after learning his wife is having an affair, a husband plans to kill her lover and enlists the help of his brothers to carry out the task.

After their brother is convicted of murder, three siblings hatch a deadly plot to avenge him by targeting the star witness in his trial; the plan goes awry when the wrong person is on the receiving end of their vengeance.

When a missing young mother turns up murdered on the outskirts of New York City, it confirms a close-knit family's worst fears; the investigation is hindered by a series of lies, before a secret affair is uncovered, turning brothers into adversaries.

A young mother's disappearance sparks a bitter division among those she leaves behind; as the infighting intensifies, detectives scramble to find out what happened to her, only to discover that a conspiracy to kill is fresh underway.

The discovery of a body in a wildlife management area launches a murder investigation that forces a group of friends into the hot seat; when police think they find a surprising clue and possible hidden message the case breaks wide open.

When a body is discovered in the trunk of a burning car, police in Ohio sift through the ashes for clues; as the years slip by without an arrest, the killer may have evaded capture.

After an endearing World War II veteran and family man is laid to rest from apparent natural causes, a surprise witness surfaces with murder accusations, sparking a police investigation into a devious predator.

An investigation into the mysterious death of a loving mother leads authorities to uncover a diabolical plot hatched close to home.

When a household is targeted by gunfire twice in a short amount of time, investigators in rural Missouri sift through a community in search of a family's enemies, which leads them to a mastermind pulling strings.

A victim's burning body is discovered one night in February and investigators are put on the trail of an elusive criminal whose desire for financial gain leads to murder.

After a well-known saddle maker passes away from an apparent heart attack, police find reason to question the natural death after rumors about drugs and embezzlement come to light.

When the body of a newlywed is spotted at the base of a cliff in Glacier National Park, local and federal authorities join forces for an investigation that will put their skills to the ultimate test.

After a beloved father vanishes, his family and the police work tirelessly for four years to find him; a familiar witness comes forward and leads detectives to finally expose a diabolical conspiracy which may have been paid for by sexual favors.

When a man goes missing in a rural small town in Tennessee, family members and detectives band together to uncover scandalous secrets fueled by greed and lust.

When a devout single mother vanishes from her home, investigators fear she's been abducted by a group of teens hell-bent on a devilish plan; they race to find her before it's too late.

A family's life is turned upside down when a ghost from their past returns for revenge.

After a home invasion in Ohio leaves a corrections officer dead, investigators use controlled calls and an undercover sting at a motel to solve the case and expose a cruel plot with a bloody ending.

A Colorado woman vanishes shortly after moving in with a group of friends; an investigation reveals there was a lot more going on inside the home than anyone realized.

A missing young father in Utah returns home and confesses to an affair, but when he vanishes again a short time later, it quickly seems something more sinister is at play.

Pamela Smart's husband is found murdered; police investigate and discover that Smart is keeping a big secret.

When a college student is found dead after a party, his mother gets the help of a new friend to get the case in front of a jury.

When a wife calls 911 to report her husband has been shot on a country road in Texas, officers rush to the scene.

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

A child's death from flu-like symptoms triggers an investigation that ranges from the United States to Egypt and uncovers murder.

When a triple homicide rocks a Christmas tree-farming community, two small-town sheriffs across state lines have to work together to find the perpetrator among the Blue Ridge Mountains.

In Texas, the brutal 1984 killing of Johnnie Albritton, an elderly store owner known for having a wife with a violent temper, occured.

In 1993 a man was allegedly shot and buried by a group of dangerous friends and the detectives will need to pit them against each other to break the case and bring justice to his family.

In 2016, Stacey Devine, a hard-working mother, was strangled to death and dumped in a ditch.

In 1981, a mother vanishes from the Hernando woods and the case goes cold and 33 years later, local detectives take the baton from Kelly and the Cold Justice team only to discover that getting a confession may be the only way to solve the case.

When Kim Allen is found murdered in her home, her estranged and abusive husband is the likely suspect; risky bluff by detectives takes the case in a surprising direction.

When young woman's body is found burning in the woods, investigators are left with many questions; they follow a trail of fire, fury, and falsities to get to the truth.

After a loving wife and mother is found shot to death in her own bed, the case goes cold for two years until determined detectives set their sights on justice and reveal a murder-for-hire plot.

When a successful family man is discovered in the rubble of a deadly explosion, investigators desperately try to determine if it was a planned hit, an attempted terrorist attack, or something else...

Investigators focus on her husband as the main suspect when a woman is found dead at the bottom of her staircase, but family and friends rally behind him.

A scenic drive up the coast of California turns deadly when a young woman falls from an overlook in Big Sur, but when the people closest to her hear about the tragic accident, they are convinced that something more nefarious is going on.

Two lost, lonely hippies fall in love, deciding to turn their backs on the modern world for a life of hallucinogenic drugs, New Age religion, and a multistate murder spree.

A pair of sociopathic lovers fall in love after being locked up in the same jail, but their obsession for each other turns into an addiction to crime.

Fifteen years later, DNA technology leads to justice for a murdered woman and her savagely beaten 4-year-old daughter.

A quiet waitress who hasn't been to work in two days vanishes without a trace; police suspect a date gone wrong.

The search for a missing exotic dancer led police to an isolated 75-acre site where someone had been shot and cremated, thus destroying all evidence... almost; piece of a foot provided enough DNA for a genetic profile and positive ID.

After years of suffering domestic abuse, a young woman is found murdered in her bathtub; among numerous clues, a hamburger bun proves the most incriminating.

Evidence that includes threatening emails, a missing person and an abandoned truck lead police to a woman's suspected killer, but they don't have the victim's body.

A woman has an accidental fall down a flight of stairs and appears to have hit her head, but the lack of blood splatter and misplaced shoes lead police to believe the fall was staged.

A church member gets gunned down after leaving choir practice; although witnesses see little and not much evidence exists, investigators learn that she had been having affairs for years.

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.

Atlanta's thriving hip-hop scene is stunned when up-and-coming rapper Lil' Phat is executed in broad daylight; the case takes detectives into a world of mobsters and kingpins where the victim's lyrics may have foretold his demise.

The grisly double murder of two Lockheed employees stuns their families and leaves investigators baffled; as the case languishes for years, investigators are unable to make an arrest until the prime suspect kills again.

When a California housewife is murdered in broad daylight, the suspected killer claims it was a burglary gone awry.

When a California housewife is murdered in broad daylight, the suspected killer claims it was a burglary gone awry.

Recently uncovered pages from John Hinckley Jr.'s diary, which he began writing after he was arrested for trying to assassinate President Ronald Reagan; an interview with the officer who questioned Hinckley after the attempted assassination.