Venus Stewart stepped outside her door and vanished; investigators suspected her ex, but he had an alibi; a video gamer's tale had detectives seeing double and exposed the truth.

Brooke Wilberger was 19 when she was kidnapped; her family begged for her return, but months passed before police got their first break, a similar attack more than 1,000 miles away.

Josh Mankiewicz returns to a case that took six years to report; a woman is found murdered after her friend hears her screaming on the phone, but the case sits cold until the mysterious death of her boyfriend's twin brother leads police to a suspect.

The murder of a young businessman in the Old San Juan district of Puerto Rico marks the start of a 15-year-long hunt to find the killer.

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.

Karen Smith is murdered while her 5-year-old son is brutally stabbed and a neighbor says she knows who did it; she later recants her testimony and fights for the suspect's defense.

It's a night like any other at the local bar in the village of Whitehouse, Ohio, until a kiss sets off a domino effect that turns deadly; investigators sift through patrons only to find their suspect list growing longer by the hour.

A night of Christmas Eve merriment in the Louisiana bayou ends in murder when one of a local bar's most beloved sons is found in a pool of his own blood.

A night of soccer and celebration turns tragic when one young Orlando City soccer fan is found dead at home the next day; police are left with a field of suspects and very few answers.

A lavish wedding at a mountain lodge ends in tragedy when two people are shot in their cabin; a mysterious stranger who seems to have vanished into thin air could hold the key to the shooting.

The murder of a New Jersey entrepreneur leaves investigators stumped until months later, when a drug bust brings to light a murder plot riddled with greed, addiction and betrayal.

The suspicious shooting of a delivery truck driver shrouds the Sunshine State in darkness.

When the decaying body of a Baltimore man is discovered in his garage, detectives use advanced law enforcement technology to pinpoint a cunning killer.

The peace of an Indiana town is interrupted on Valentine's Day 2003, when police receive a report of a violent murder.

Against all odds, a young woman survives a brutal attack on her and a friend in a park, and while DNA points one way, a bombshell message points another.

Keith Morrison looks back on this haunting mystery he reported on for more than 10 years; a pilot flees following a plane crash, becomes a fugitive and lives a double life for decades.

A couple made a fortune in gold but were headed for divorce when she was murdered; how she is killed makes this case unforgettable for Josh Mankiewicz; a video that seems to provide an alibi ends up pointing police to the killer.

A beautiful college student goes missing from her off-campus job, and a week later, investigators receive a mysterious phone call that reveals her plight.

Andrea Canning reflects on a cautionary tale that still inspires her; a man steals millions of dollars conning women and businesses over 25 years; one woman brings together a group of his victims to hold him accountable and face justice.

Josh Mankiewicz wants to return to this case because the very thing Christina Morris feared most became her living nightmare; she goes out with friends and vanishes; the police question everyone, hoping the truth will lead them to her body.

Andrea Canning reflects on a story that hits close to home for her because of where it takes place; a South Carolina coroner arrives at the scene of a car accident to find his friend deceased and begins to think her death looks suspicious.

Venus Stewart stepped outside her door and vanished; investigators suspected her ex, but he had an alibi; a video gamer's tale had detectives seeing double and exposed the truth.

Josh Mankiewicz returns to a case that took six years to report; a woman is found murdered after her friend hears her screaming on the phone, but the case sits cold until the mysterious death of her boyfriend's twin brother leads police to a suspect.

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.

Hollywood actress Aasha Davis' sister, Lesley, goes missing after a fight with her husband never to be heard from again.

Investigators look for answers when a popular school superintendent is found dead in his western New York home.

When a young Army medic based at Ft. Bragg, N.C., goes missing, police can't solve the case despite having a suspect until an unorthodox private investigator steps in to help.

It is common for long-haul truck driver Lloyd Ford to be gone for stretches, and when he disappears, it doesn't raise many flags; at least two people know where he is, and they guard the secret for 27 years, but the truth is about to be revealed.

When hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel, detectives wonder if his interest in an alternative religion is connected to his murder.

When a man is shot dead in bed right next to his fiancée, detectives learn that anyone's past can come back to haunt them.

A young mother is brutally murdered but despite unique evidence at the scene, it takes years to put the pieces together and bring her killer to justice.

A wealthy entrepreneur is shot in his home; there are many suspects but with only suspicion to go on, it takes investigators over seven years to nab his killer.

Lust and greed are at the core of the case of a wife and mother who is found dead in her pool; investigators are quick to uncover a web of affairs, lies and fraud that lead them to her killer.

Kelly and Johnny Bonds uncover new details in the tragic 27-year-old unsolved murder of Kathy Page, a case that shocked a small town and inspired the award winning film "Three Billboards Outside Ebbing, Missouri.".

Kelly and Abbey investigate the 2006 homicide of Candace Hiltz, a teenage mother shot just feet away from her infant daughter.

Kelly and Steve try to solve the murder of a woman who was brutally stabbed and then lit on fire in an attempt conceal the crime; a neighbor's report of a mysterious black truck could lead investigators to her killer.

Kelly and Steve team up with the Clinton County Sheriff's Office to solve the heartbreaking cold case of a young mother who vanished, leaving only her wedding rings behind; did she walk away, or was she murdered?

Kelly and Abbey investigate the 1999 murder of a beloved churchgoing mother and grandmother, shot dead in her own home; with no known enemies, was she killed to send a cruel message to someone she loved?

In 2012, a tight-knit Las Vegas neighborhood is shattered by the murder of a mother and daughter in their home; investigators must analyze a crime scene soaked in rage to help stop a killer before they strike again.

The "Cold Justice" team investigates the mysterious death of a pregnant mother whose skull was found on a wooded mountain; with multiple suspects and conflicting stories, can they uncover the truth and get justice for her and her unborn child?

Kelly and Abbey investigate the 1999 murder of a beloved churchgoing mother and grandmother, shot dead in her own home; with no known enemies, was she killed to send a cruel message to someone she loved?

In 2012, a tight-knit Las Vegas neighborhood is shattered by the murder of a mother and daughter in their home; investigators must analyze a crime scene soaked in rage to help stop a killer before they strike again.

Single mother Nicole Halpin is murdered in her home and her two children witness the attack, but justice will prevail when detectives sift through a list of Nicole's admirers to find her killer.

When 78-year-old Ina Gross is viciously murdered, suspicion falls on one of her own children; the siblings stand together until the truth is revealed.

The missing-persons case of 12-year-old Jonelle Matthews in Colorado remains a mystery for more than three decades until detectives narrow in on a suspect whose bizarre behavior after her disappearance hints at something much more sinister.

The missing-persons case of 12-year-old Jonelle Matthews in Colorado remains a mystery for more than three decades until detectives narrow in on a suspect whose bizarre behavior after her disappearance hints at something much more sinister.

A father in Hawaii tackles setback after setback in his fight for justice for his murdered daughter.

Investigators look for answers when a popular school superintendent is found dead in his western New York home.

When a young Army medic based at Ft. Bragg, N.C., goes missing, police can't solve the case despite having a suspect until an unorthodox private investigator steps in to help.

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.

It is common for long-haul truck driver Lloyd Ford to be gone for stretches, and when he disappears, it doesn't raise many flags; at least two people know where he is, and they guard the secret for 27 years, but the truth is about to be revealed.

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 hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel, detectives wonder if his interest in an alternative religion is connected to his murder.

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 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.

When a man is shot dead in bed right next to his fiancée, detectives learn that anyone's past can come back to haunt them.

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.

A young mother is brutally murdered but despite unique evidence at the scene, it takes years to put the pieces together and bring her killer to justice.

When a beloved grandfather is found shot dead in his Florida home, detectives fear his missing ex-wife is also in danger; as they uncover a tangled web of romance, infidelity and betrayal, new questions arise about her involvement in the murder.

A wealthy entrepreneur is shot in his home; there are many suspects but with only suspicion to go on, it takes investigators over seven years to nab his killer.

A father of four vanishes days before Christmas; what authorities believe to be a bond violation, unfolds into something evil.

Lust and greed are at the core of the case of a wife and mother who is found dead in her pool; investigators are quick to uncover a web of affairs, lies and fraud that lead them to her killer.

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.

Kelly and Johnny Bonds uncover new details in the tragic 27-year-old unsolved murder of Kathy Page, a case that shocked a small town and inspired the award winning film "Three Billboards Outside Ebbing, Missouri.".

A seaside home becomes the scene of a gruesome double homicide when a couple is found dead during a welfare check. After shocking video evidence surfaces, investigators race to identify the killer and uncover a ruthless murder plot fueled by revenge.

Kelly and Abbey investigate the 2006 homicide of Candace Hiltz, a teenage mother shot just feet away from her infant daughter.

An Iowa man is fatally shot, and his girlfriend claims self-defense; as their turbulent relationship is examined, her social media reveals a troubling pattern and sinister motive.

A respected soldier and beloved family man is found shot to death inside his home; investigators uncover a salacious love triangle and expose a murder-for-hire plot fueled by manipulation and greed.

Kelly and Steve try to solve the murder of a woman who was brutally stabbed and then lit on fire in an attempt conceal the crime; a neighbor's report of a mysterious black truck could lead investigators to her killer.

Kelly and Steve team up with the Clinton County Sheriff's Office to solve the heartbreaking cold case of a young mother who vanished, leaving only her wedding rings behind; did she walk away, or was she murdered?

In 2012, a tight-knit Las Vegas neighborhood is shattered by the murder of a mother and daughter in their home; investigators must analyze a crime scene soaked in rage to help stop a killer before they strike again.

Kelly and Abbey investigate the 1999 murder of a beloved churchgoing mother and grandmother, shot dead in her own home; with no known enemies, was she killed to send a cruel message to someone she loved?

A respected soldier and beloved family man is found shot to death inside his home; investigators uncover a salacious love triangle and expose a murder-for-hire plot fueled by manipulation and greed.

In 2012, a tight-knit Las Vegas neighborhood is shattered by the murder of a mother and daughter in their home; investigators must analyze a crime scene soaked in rage to help stop a killer before they strike again.

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.

The "Cold Justice" team investigates the mysterious death of a pregnant mother whose skull was found on a wooded mountain; with multiple suspects and conflicting stories, can they uncover the truth and get justice for her and her unborn child?

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.

Kelly and Abbey investigate the 1999 murder of a beloved churchgoing mother and grandmother, shot dead in her own home; with no known enemies, was she killed to send a cruel message to someone she loved?

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.

In 2012, a tight-knit Las Vegas neighborhood is shattered by the murder of a mother and daughter in their home; investigators must analyze a crime scene soaked in rage to help stop a killer before they strike again.

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.

Single mother Nicole Halpin is murdered in her home and her two children witness the attack, but justice will prevail when detectives sift through a list of Nicole's admirers to find her killer.

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.

When 78-year-old Ina Gross is viciously murdered, suspicion falls on one of her own children; the siblings stand together until the truth is revealed.

The missing-persons case of 12-year-old Jonelle Matthews in Colorado remains a mystery for more than three decades until detectives narrow in on a suspect whose bizarre behavior after her disappearance hints at something much more sinister.

The missing-persons case of 12-year-old Jonelle Matthews in Colorado remains a mystery for more than three decades until detectives narrow in on a suspect whose bizarre behavior after her disappearance hints at something much more sinister.

A father in Hawaii tackles setback after setback in his fight for justice for his murdered daughter.

The friends of a father from Georgia accused of murdering his ex-wife come together to prove he is innocent, while prosecutors count on his young children to testify against him.

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.

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 teenager is convicted of encouraging her boyfriend to kill himself; exclusive interviews with those on both sides of the case.

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.

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.

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 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 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 a beloved grandfather is found shot dead in his Florida home, detectives fear his missing ex-wife is also in danger; as they uncover a tangled web of romance, infidelity and betrayal, new questions arise about her involvement in the murder.

A father of four vanishes days before Christmas; what authorities believe to be a bond violation, unfolds into something evil.

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.

A seaside home becomes the scene of a gruesome double homicide when a couple is found dead during a welfare check. After shocking video evidence surfaces, investigators race to identify the killer and uncover a ruthless murder plot fueled by revenge.

An Iowa man is fatally shot, and his girlfriend claims self-defense; as their turbulent relationship is examined, her social media reveals a troubling pattern and sinister motive.

A respected soldier and beloved family man is found shot to death inside his home; investigators uncover a salacious love triangle and expose a murder-for-hire plot fueled by manipulation and greed.

A respected soldier and beloved family man is found shot to death inside his home; investigators uncover a salacious love triangle and expose a murder-for-hire plot fueled by manipulation and greed.

Kelly and Abbey investigate the 1999 murder of a beloved churchgoing mother and grandmother, shot dead in her own home; with no known enemies, was she killed to send a cruel message to someone she loved?

Two teen girls are brutally murdered and one of their best friends could be responsible.

In 2012, a tight-knit Las Vegas neighborhood is shattered by the murder of a mother and daughter in their home; investigators must analyze a crime scene soaked in rage to help stop a killer before they strike again.

A respected soldier and beloved family man is found shot to death inside his home; investigators uncover a salacious love triangle and expose a murder-for-hire plot fueled by manipulation and greed.

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.

In 2012, a tight-knit Las Vegas neighborhood is shattered by the murder of a mother and daughter in their home; investigators must analyze a crime scene soaked in rage to help stop a killer before they strike again.

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.

Kelly and Abbey investigate the 1999 murder of a beloved churchgoing mother and grandmother, shot dead in her own home; with no known enemies, was she killed to send a cruel message to someone she loved?

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 group of women help bring down a smooth talking serial predator turned killer who lured young women with promises of fame and fortune.

A group of women help bring down a smooth talking serial predator turned killer who lured young women with promises of fame and fortune.

Years after the kidnapping of Amanda Lindhout, secret agents put a daring undercover sting into action.

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.

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.

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

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.

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.

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.

An investigation into the murder of a military hero tests the bonds of military camaraderie and unravels a myriad of secrets, lies and hidden identities.

A woman's innocence is called into question after her husband dies from a mysterious malady and encourages detectives to take a deep dive into her past.

When a man is ambushed by a firestorm of bullets outside his home, investigators follow a twisted trail of suspects to a vindictive mastermind.

A secret affair between a woman and her church's pastor becomes public when they become suspects in a murder.

A college romance goes cold and ends with a murder that takes 22 years to solve.

A wife starts a New Year by ending her cheating husband's life.

A biology professor ends a faculty meeting with gunfire and reveals a surprising history of violence.

A respected soldier and beloved family man is found shot to death inside his home; investigators uncover a salacious love triangle and expose a murder-for-hire plot fueled by manipulation and greed.

Two teen girls are brutally murdered and one of their best friends could be responsible.

A wife claims an intruder killed her husband, but the real mystery turns out to be the couple's secret lives.

A woman confesses to her husband's unsolved murder.

A woman complains about her ex-husband, but her venting has deadly consequences.

An old flame comes back to rekindle a romance and ends up charged with murder and arson.

In 2012, a tight-knit Las Vegas neighborhood is shattered by the murder of a mother and daughter in their home; investigators must analyze a crime scene soaked in rage to help stop a killer before they strike again.

Kelly and Abbey investigate the 1999 murder of a beloved churchgoing mother and grandmother, shot dead in her own home; with no known enemies, was she killed to send a cruel message to someone she loved?

Former DEA agent Andrew Hogan details his search for Mexican drug lord Joaquín "El Chapo" Guzmán with never-before-seen videos and photographs.

When a young woman finds out that her boyfriend might have shot and killed a college football player out of revenge, she struggles with coming forward to officials, fearing she could lose her life.

Rapper Meek Mill interview; exploring controversies surrounding the criminal justice system, including the parole system, wrongful convictions, challenges faced by law enforcement, alleged police abuse and more.