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

A man becomes the prime suspect in his wife's death after forensic science raises questions about her apparent suicide.

Investigators on both sides of the Atlantic seek links between three homicides that look like professional executions.

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.

Who put a bomb in the home of a 29-year-old woman and killed her?

A killer tried to destroy everything which could link them to the crime; but in doing so, they inadvertently created new forensic evidence, evidence which came to light using a technique never before used in a criminal investigation.

Helen's boyfriend goes missing just as authorities find a dismembered torso, but the case may not be closed; 20 years later, Helen's new story could be a game changer.

When murder strikes a young girl, police quickly make an arrest, but cutting-edge technology from NASA proves they have the wrong suspect behind bars.

A man is found strangled and burned in his San Antonio apartment and the killer thinks he has destroyed all the evidence.

The family of a former soldier questions whether or not his death was a tragic coincidence when they learn of a suspicious detail from his wife's past.

When two men appear to die of heart disease six years apart, police notice they have one thing in common, they were each married to the same woman.

Casino security cameras offer the final images of a woman, just before she vanishes without a trace; can these grainy images lead police to her killer?

One of the most notorious citizens of Durham, North Carolina finds herself under scrutiny after her boyfriend is stabbed.

Two bodies are discovered, shot to death in their car; the car windows are broken, but there's no sign of shattered glass.

Key suspect has a solid alibi in the murder of a war veteran; but police get a lead by finding a new suspect with a sweet tooth.

Addiction leads prisoners to serious crime to fuel their habits.

When a beloved mom is murdered in her suburban Connecticut basement, and her husband is found zip-tied to a chair, detectives pursue a camo-clad intruder and a twisted trail of digital evidence that uncovers a diabolical plan, months in the making.

Deputies respond to rising tensions in a female housing unit; a popular rapper, whose ups and downs have been told in the Oakland media, now faces serious charges; a grandmother convicted of a mortgage scam finds her place in the inmate hierarchy.

When a Philly radio personality is killed in her lavish Shore home, the years-long investigation reveals an undercover informant, an intricate murder-for-hire plot, and a vast trafficking conspiracy.

After a tech millionaire's neighbor is found murdered, he goes on the run and plays a high-stakes game of hide-and-seek with the authorities and the press.

A recent law school graduate in Georgia who has a promising future disappears without a trace.

Co-lead investigator in the Steven Avery case Tom Fassbender discusses the case and allegations investigators coerced Avery's nephew, Brendan Dassey, into making a false confession.

The discovery of a young woman's body in an abandoned building in rural Texas sparks a multi-state investigation lasting nearly two decades.

With a hurricane bearing down on Palm Beach, Fla., police race to solve the murders of a mother and daughter before all the evidence is washed away.

The tranquility of the Florida Keys is shattered when a resident is murdered in his home, but as police scour the island for a killer, a bizarre trail leads them to a series of shocking crimes.

Fifty years after the infamous Manson Family murders, a look at the trail of the women who blindly followed Charles Manson; including new and exclusive interviews.

When a patrol officer discovers a dead body in the back of a taxi, detectives must rely on a trail of digital breadcrumbs and a mysterious passenger to track the killer.

When a Philly radio personality is killed in her lavish Shore home, the years-long investigation reveals an undercover informant, an intricate murder-for-hire plot, and a vast trafficking conspiracy.

Eight family members are executed in one night as detectives must unearth the hidden motive to track down the killers; while the community mourns, investigators analyze bloody footprints to determine which path leads to the truth.

Jack Jessee was a family man who didn't seem to have an enemy in the world, up until the night he was killed; the case goes cold but a relentless detective is determined to catch Jack's killer.

As investigators zero in on the Wagners, the family starts to feel the heat and begin undercutting each other; a message from Hanna Rhoden reveals a shocking possible motive for the murders.

Larry McNabney has a thriving career and a wife he adores, but then vanishes; at the center of the twisted mystery, three lives tangle together in a love triangle, including one who hides a secret identity.

At George Wagner's trial, stunning testimony exposes secrets throughout the close-knit community; a motive that caused a family of eight to be murdered in four locations in one night is revealed.

When Karen Pannell is found stabbed to death, a message scrawled in blood seems like a beacon that could lead detectives to her killer; it takes a dogged forensic specialist with a keen eye to unravel the mystery.

Investigators uncover a web of lies a decade after a couple's romantic evening atop Rockefeller Lookout in New Jersey ends with the wife's tragic death.

It was a mystery that stumped investigators for years; a college student disappears after a night out clubbing; her mother thought she was at a sleepover with friends and it takes an eagle-eyed detective to find the truth buried in a pile of lies.

A Texas woman's apparent suicide devastates the family that she leaves behind, but after one investigator dedicates decades to solving the mystery of what drove her to make such a tragic decision, a far more sinister truth is discovered.

A young mom, married to her high school sweetheart, vanishes; did she leave her family to start a new life or was there another reason for her disappearance; decades later her grown son faces a dark truth at the core of this mystery.

An elderly woman is found dead in her home outside of Boston after an apparent accidental fall down her stairs, but with the help of a confidential informant, police obtain shocking audio that reveals the truth behind her death.

She was a dancer who married a dashing photographer; they seemed to have the picture-perfect life -- until the bone-chilling night she disappeared; in a case filled with twists, could the victim help solve her own murder.

A former homecoming queen taking her first steps into adult life is brutally murdered; the investigation centers on two men and a mysterious black bag that seems to come out of nowhere.

Detectives are led down a winding path involving an alleged government conspiracy and a citywide manhunt after a tragic car accident leaves a mother dead and her daughter in critical condition.

It was a brutal and baffling crime: a husband shot dead in his own bed; no one else in the house was hurt, not even his wife, who was sleeping beside him; investigators were suspicious, but there were more surprises in store.

When a 41-year-old math teacher suddenly dies at home without an official cause of death, investigators find his new wife holds the clues.

Private investigator and former police officer Taylor Wright vanishes, but detectives think there is more to the story after her girlfriend receives strange text messages from Taylor's phone.

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 man becomes the prime suspect in his wife's death after forensic science raises questions about her apparent suicide.

Investigators on both sides of the Atlantic seek links between three homicides that look like professional executions.

Detectives in Washington, D.C., discover a puzzling connection between two women who disappeared two decades apart; an investigation reveals a sinister secret hidden along one of the busiest stretches of interstate in the country.

Who put a bomb in the home of a 29-year-old woman and killed her?

A killer tried to destroy everything which could link them to the crime; but in doing so, they inadvertently created new forensic evidence, evidence which came to light using a technique never before used in a criminal investigation.

When murder strikes a young girl, police quickly make an arrest, but cutting-edge technology from NASA proves they have the wrong suspect behind bars.

A man is found strangled and burned in his San Antonio apartment and the killer thinks he has destroyed all the evidence.

Twenty-seven-year-old Egypt Covington is found murdered in her home; investigators in Michigan quickly identify a person of interest, but years pass without an arrest.

When two men appear to die of heart disease six years apart, police notice they have one thing in common, they were each married to the same woman.

Casino security cameras offer the final images of a woman, just before she vanishes without a trace; can these grainy images lead police to her killer?

Two bodies are discovered, shot to death in their car; the car windows are broken, but there's no sign of shattered glass.

Key suspect has a solid alibi in the murder of a war veteran; but police get a lead by finding a new suspect with a sweet tooth.

A family begins a relentless pursuit of justice after the death of Nevada attorney Susan Winters is ruled a suicide; Susan's parents open up about the seven-year case and their efforts to push back against the criminal justice system.

Addiction leads prisoners to serious crime to fuel their habits.

Deputies respond to rising tensions in a female housing unit; a popular rapper, whose ups and downs have been told in the Oakland media, now faces serious charges; a grandmother convicted of a mortgage scam finds her place in the inmate hierarchy.

On the 20th anniversary of the case that captivated and divided the country, new insights are given into the murders and trial, including a witness who saw Simpson the night of the murders but never testified.

On the 20th anniversary of the case that captivated and divided the country, new insights are given into the murders and trial, including a witness who saw Simpson the night of the murders but never testified.

A single dad and former firefighter is found dead in his garage; police use a neighbor's security footage to uncover a deadly secret.

In Deltona, Fla., a limo driver disappears amid rumors that he's hiding from gambling debts; detectives are forced to search for body parts all over central Florida as they investigate a suspect's horrifying story about why the man vanished.

With a hurricane bearing down on Palm Beach, Fla., police race to solve the murders of a mother and daughter before all the evidence is washed away.

When a University of Florida student vanishes, police can't ignore the possibility that he disappeared into the alligator-infested swamps around Gainesville; but they discover he may have fallen prey to a deadly danger closer to home.

The tranquility of the Florida Keys is shattered when a resident is murdered in his home, but as police scour the island for a killer, a bizarre trail leads them to a series of shocking crimes.

When a prominent Atlanta judge is shot dead in her upscale home, detectives must figure out if the killing was payback from any criminals she had put behind bars, or if someone close had a personal score to settle.

When a patrol officer discovers a dead body in the back of a taxi, detectives must rely on a trail of digital breadcrumbs and a mysterious passenger to track the killer.

A prestigious Atlanta college is stunned when one of its own students is horrifically tortured and murdered off campus; investigators discover that greed may have led to the promising athlete's tragic end.

When a Philly radio personality is killed in her lavish Shore home, the years-long investigation reveals an undercover informant, an intricate murder-for-hire plot, and a vast trafficking conspiracy.

Keith Morrison reflects on the case of a Chicago woman from a big family who went missing.

Jack Jessee was a family man who didn't seem to have an enemy in the world, up until the night he was killed; the case goes cold but a relentless detective is determined to catch Jack's killer.

Josh Mankiewicz recalls the story of a detective who makes it her mission to find dozens of women who vanished on the streets of Albuquerque, N.M.

Larry McNabney has a thriving career and a wife he adores, but then vanishes; at the center of the twisted mystery, three lives tangle together in a love triangle, including one who hides a secret identity.

When Karen Pannell is found stabbed to death, a message scrawled in blood seems like a beacon that could lead detectives to her killer; it takes a dogged forensic specialist with a keen eye to unravel the mystery.

Andrea Canning recalls the case of a popular kindergarten teacher who goes missing after shedding hundreds of pounds, and investigators find a link between her weight loss and her disappearance.

It was a mystery that stumped investigators for years; a college student disappears after a night out clubbing; her mother thought she was at a sleepover with friends and it takes an eagle-eyed detective to find the truth buried in a pile of lies.

Dennis Murphy looks back at the story of a determined young woman whose decadeslong search for answers in her mother's mysterious death leads to a dramatic courtroom decision.

A young mom, married to her high school sweetheart, vanishes; did she leave her family to start a new life or was there another reason for her disappearance; decades later her grown son faces a dark truth at the core of this mystery.

She was a dancer who married a dashing photographer; they seemed to have the picture-perfect life -- until the bone-chilling night she disappeared; in a case filled with twists, could the victim help solve her own murder.

Investigators track down a suspect in the disappearance of a celebrity dog trainer; Keith Morrison reflects on the fractured love story at the center of the mystery.

A former homecoming queen taking her first steps into adult life is brutally murdered; the investigation centers on two men and a mysterious black bag that seems to come out of nowhere.

It was a brutal and baffling crime: a husband shot dead in his own bed; no one else in the house was hurt, not even his wife, who was sleeping beside him; investigators were suspicious, but there were more surprises in store.

While North Carolina detectives hunt for answers in the murder of 28-year-old James Chambers, his mother searched for his remains; Andrea Canning reflects on the family's unrelenting quest to find justice for James.

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

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.

A wife and mother is taken into an unmarked car by a blond woman on a Monday morning, but police are unable to find any record of her arrest; for Josh Mankiewicz, this case reset the bar for brazen and he revisits the reasons why.

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.

Detectives in Washington, D.C., discover a puzzling connection between two women who disappeared two decades apart; an investigation reveals a sinister secret hidden along one of the busiest stretches of interstate in the country.

Keith Morrison reflects on a case; an Idaho man is sentenced to life after falsely confessing to his friend's murder, but after the true culprit is caught, a chilling twist unfolds.

Twenty-seven-year-old Egypt Covington is found murdered in her home; investigators in Michigan quickly identify a person of interest, but years pass without an arrest.

Josh Mankiewicz re-examines the kidnapping and murder of 17-year-old Carla Walker following a Valentine's Day dance in Fort Worth, Texas; Cutting-edge DNA technology and diligent police work lead detectives to her killer.

A family begins a relentless pursuit of justice after the death of Nevada attorney Susan Winters is ruled a suicide; Susan's parents open up about the seven-year case and their efforts to push back against the criminal justice system.

A man charged with murder denies committing it; the courtroom strategy provides a twist.

A woman walks into her home to find her daughter covered in blood; a single drop of blood is the key to finding the attacker.

A woman walks into her home to find her daughter covered in blood; a single drop of blood is the key to finding the attacker.

A man disappears after a duck hunting trip in Florida on his sixth wedding anniversary and is later found to have been murdered.

In Deltona, Fla., a limo driver disappears amid rumors that he's hiding from gambling debts; detectives are forced to search for body parts all over central Florida as they investigate a suspect's horrifying story about why the man vanished.

When a college sorority sister is found brutally murdered on the day of a Texas football game in 1984, everyone is left to wonder who could have killed this raving beauty.

When a University of Florida student vanishes, police can't ignore the possibility that he disappeared into the alligator-infested swamps around Gainesville; but they discover he may have fallen prey to a deadly danger closer to home.

Three friends descend on the French Quarter in 2009 looking for a fun night out and it ends up being their last.

When a prominent Atlanta judge is shot dead in her upscale home, detectives must figure out if the killing was payback from any criminals she had put behind bars, or if someone close had a personal score to settle.

A hospital staff member is found dead inside the hospital after going missing on a night shift.

A prestigious Atlanta college is stunned when one of its own students is horrifically tortured and murdered off campus; investigators discover that greed may have led to the promising athlete's tragic end.

When devoted young mother Sara Summer vanishes from a small Tennessee town, the investigation into her life exposes a world of romance, lies and a fatal betrayal at the hands of a man she trusted.

Keith Morrison reflects on the case of a Chicago woman from a big family who went missing.

A newly single mother of two vanishes after going on a date with an old high school friend she connected with on Facebook; investigators race against the clock to reveal the true identity of the mystery man.

Josh Mankiewicz recalls the story of a detective who makes it her mission to find dozens of women who vanished on the streets of Albuquerque, N.M.

A bomb rocks South Chicago killing Mark Toney, investigators dig beneath the rubble to expose a violent, seductive con game and a shockingly deceitful relationship.

Morgan Fox, a young mother, is shot dead outside her home in North Canton, Ohio; in the search for her killer, investigators discover a toxic workplace, a twisted obsession, and a killer relationship.

Andrea Canning recalls the case of a popular kindergarten teacher who goes missing after shedding hundreds of pounds, and investigators find a link between her weight loss and her disappearance.

Desiree Sunford, a beloved middle school art teacher in Yakima, Wash., is found dead in her home from multiple gunshots; as detectives dig into her marriage, they uncover a world of jealousy, sex and liaisons.

Dennis Murphy looks back at the story of a determined young woman whose decadeslong search for answers in her mother's mysterious death leads to a dramatic courtroom decision.

Twenty-one-year-old art student Katelyn Markham vanishes just weeks before college graduation; the investigation unfolds over 13 years, uncovering lies, rage, and a betrayal that hits close to home.

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

Investigators track down a suspect in the disappearance of a celebrity dog trainer; Keith Morrison reflects on the fractured love story at the center of the mystery.

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

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

While North Carolina detectives hunt for answers in the murder of 28-year-old James Chambers, his mother searched for his remains; Andrea Canning reflects on the family's unrelenting quest to find justice for James.

When a man is found shot to death on a suburban street, a wild investigation commences, featuring a high-speed car chase, dangerous gang members and a twisted murder plot that betrays family loyalties.

A home invasion turns deadly on Easter night; as Ohio authorities hunt for the assailant, they discover that the attack may not have been as random as first thought.

A wife and mother is taken into an unmarked car by a blond woman on a Monday morning, but police are unable to find any record of her arrest; for Josh Mankiewicz, this case reset the bar for brazen and he revisits the reasons why.

Wabash Valley Correctional Facility houses some of the highest security prisoners in the state; corrections staff investigate a potential escape plot and one inmate with a very familiar face tells their own story.

The killer of a corrections officer fights to be freed from 16 years of solitary confinement, and boyhood friends struggle to parent their kids from behind prison walls; but one, cut-off from visits with his son, is on a razor's edge.

A violent gang member asks to move back to general population, following six years in segregation; a brother and sister are charged with murdering a high school football star, two years after he was stabbed to death on an Oakland street corner.

Keith Morrison reflects on a case; an Idaho man is sentenced to life after falsely confessing to his friend's murder, but after the true culprit is caught, a chilling twist unfolds.

A first time inmate says he must turn to violence to avoid becoming a victim, an accused rapist gets into more trouble in jail and what he does next has some questioning his motives.

When a beloved mom is murdered in her suburban Connecticut basement, and her husband is found zip-tied to a chair, detectives pursue a camo-clad intruder and a twisted trail of digital evidence that uncovers a diabolical plan, months in the making.

Josh Mankiewicz re-examines the kidnapping and murder of 17-year-old Carla Walker following a Valentine's Day dance in Fort Worth, Texas; Cutting-edge DNA technology and diligent police work lead detectives to her killer.

When a Philly radio personality is killed in her lavish Shore home, the years-long investigation reveals an undercover informant, an intricate murder-for-hire plot, and a vast trafficking conspiracy.

When a patrol officer discovers a dead body in the back of a taxi, detectives must rely on a trail of digital breadcrumbs and a mysterious passenger to track the killer.

A man charged with murder denies committing it; the courtroom strategy provides a twist.

A tight-knit Long Island family go to extraordinary lengths to find their missing sister.

A tight-knit Long Island family go to extraordinary lengths to find their missing sister.

When a young woman is found dead near a soccer field in Indiana, detectives try to piece together a puzzle that leads them to an unexpected suspect.

When a college sorority sister is found brutally murdered on the day of a Texas football game in 1984, everyone is left to wonder who could have killed this raving beauty.

When a hard-charging boss in Arizona is shot to death, police uncover a complex web of bruised egos in his professional life and a trail of broken hearts in his personal life.

Three friends descend on the French Quarter in 2009 looking for a fun night out and it ends up being their last.

A Kentucky man is convicted of murdering his co-worker; the mystery is considered solved until a stunning disclosure years later turns the closed case upside down.

The parents of Kristin Smart speak out in an interview following the sentencing of their daughter's killer.

A hospital staff member is found dead inside the hospital after going missing on a night shift.

When devoted young mother Sara Summer vanishes from a small Tennessee town, the investigation into her life exposes a world of romance, lies and a fatal betrayal at the hands of a man she trusted.

A week before a wealthy banker's divorce was set to reach a settlement, an ex-con says he was hired to murder someone in the family.

A newly single mother of two vanishes after going on a date with an old high school friend she connected with on Facebook; investigators race against the clock to reveal the true identity of the mystery man.

A bomb rocks South Chicago killing Mark Toney, investigators dig beneath the rubble to expose a violent, seductive con game and a shockingly deceitful relationship.

For the 100th case, the 2007 murder of a popular college student who was stabbed to death in her bed; help is needed from forensic pathologist, digital forensics expert and DNA lab to solve the case.

Morgan Fox, a young mother, is shot dead outside her home in North Canton, Ohio; in the search for her killer, investigators discover a toxic workplace, a twisted obsession, and a killer relationship.

The Cold Justice team continues its investigation into the murder of a popular 18-year-old college student.

Desiree Sunford, a beloved middle school art teacher in Yakima, Wash., is found dead in her home from multiple gunshots; as detectives dig into her marriage, they uncover a world of jealousy, sex and liaisons.

Kelly and Tonya investigate the mysterious disappearance of a mother who went missing after a Fourth of July celebration; an old tip on where her body might be buried takes a turn when cadaver dogs signal they've found something.

Twenty-one-year-old art student Katelyn Markham vanishes just weeks before college graduation; the investigation unfolds over 13 years, uncovering lies, rage, and a betrayal that hits close to home.

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.

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

A 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.

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

When a Ukrainian immigrant goes missing in Brighton Beach, a team of law enforcement's best agents from the New York Police Department, U.S. Attorney's office and FBI team up to find out what happened.

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

When a patrol officer discovers a dead body in the back of a taxi, detectives must rely on a trail of digital breadcrumbs and a mysterious passenger to track the killer.

When a man is found shot to death on a suburban street, a wild investigation commences, featuring a high-speed car chase, dangerous gang members and a twisted murder plot that betrays family loyalties.

When a Philly radio personality is killed in her lavish Shore home, the years-long investigation reveals an undercover informant, an intricate murder-for-hire plot, and a vast trafficking conspiracy.

A home invasion turns deadly on Easter night; as Ohio authorities hunt for the assailant, they discover that the attack may not have been as random as first thought.

After a successful Korean-American business owner is killed during a home invasion, detectives believe his murder could be tied to a string of Philly crimes against businesses, until they uncover that the mastermind is someone much closer to home.

Wabash Valley Correctional Facility houses some of the highest security prisoners in the state; corrections staff investigate a potential escape plot and one inmate with a very familiar face tells their own story.

When a former cop discovers his wife shot to death, authorities believe it's suicide; but her family fights back, turning the Texas justice system upside down.

The killer of a corrections officer fights to be freed from 16 years of solitary confinement, and boyhood friends struggle to parent their kids from behind prison walls; but one, cut-off from visits with his son, is on a razor's edge.

The execution of successful businesswoman and mother Makeva Jenkins sparks an intense investigation, but unveiling the masked gunman requires unmasking a litany of suspects in hopes of exposing a killer relationship.

A violent gang member asks to move back to general population, following six years in segregation; a brother and sister are charged with murdering a high school football star, two years after he was stabbed to death on an Oakland street corner.

After a successful Korean-American business owner is killed during a home invasion, detectives believe his murder could be tied to a string of Philly crimes against businesses, until they uncover that the mastermind is someone much closer to home.

A first time inmate says he must turn to violence to avoid becoming a victim, an accused rapist gets into more trouble in jail and what he does next has some questioning his motives.

When former NFL star Antonio Armstrong and his wife, Dawn, are murdered in their own bed, detectives uncover a stray bullet, threatening note and web of complicated family dynamics that ultimately unravel, revealing a dark betrayal.

When a beloved mom is murdered in her suburban Connecticut basement, and her husband is found zip-tied to a chair, detectives pursue a camo-clad intruder and a twisted trail of digital evidence that uncovers a diabolical plan, months in the making.

A paroled killer linked to the disappearance of young women forces police into a desperate manhunt; this shocking case unfolds against a backdrop of unfortunate legal and parole decisions that set Kenneth McDuff loose to become a serial killer.

When a Philly radio personality is killed in her lavish Shore home, the years-long investigation reveals an undercover informant, an intricate murder-for-hire plot, and a vast trafficking conspiracy.

When a patrol officer discovers a dead body in the back of a taxi, detectives must rely on a trail of digital breadcrumbs and a mysterious passenger to track the killer.

The ambush-style murder of a human rights activist confuses investigators; but when her boyfriend's brother is also gunned down, police uncover a plan to commit murders in the name of honor.

The investigation into the disappearance of a Marine's 19-year-old wife reveals a secret love triangle and multiple suspects.

The investigation into the disappearance of a Marine's 19-year-old wife reveals a secret love triangle and multiple suspects.

A mother's death initially appears to be a suicide, but when investigators start to interview those closest to her, an evil plot emerges.

When a hard-charging boss in Arizona is shot to death, police uncover a complex web of bruised egos in his professional life and a trail of broken hearts in his personal life.

A Kentucky man is convicted of murdering his co-worker; the mystery is considered solved until a stunning disclosure years later turns the closed case upside down.

The parents of Kristin Smart speak out in an interview following the sentencing of their daughter's killer.

A week before a wealthy banker's divorce was set to reach a settlement, an ex-con says he was hired to murder someone in the family.

For the 100th case, the 2007 murder of a popular college student who was stabbed to death in her bed; help is needed from forensic pathologist, digital forensics expert and DNA lab to solve the case.

The Cold Justice team continues its investigation into the murder of a popular 18-year-old college student.

Kelly and Tonya investigate the mysterious disappearance of a mother who went missing after a Fourth of July celebration; an old tip on where her body might be buried takes a turn when cadaver dogs signal they've found something.

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.

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.

When a Ukrainian immigrant goes missing in Brighton Beach, a team of law enforcement's best agents from the New York Police Department, U.S. Attorney's office and FBI team up to find out what happened.

When a patrol officer discovers a dead body in the back of a taxi, detectives must rely on a trail of digital breadcrumbs and a mysterious passenger to track the killer.

When a Philly radio personality is killed in her lavish Shore home, the years-long investigation reveals an undercover informant, an intricate murder-for-hire plot, and a vast trafficking conspiracy.

After a successful Korean-American business owner is killed during a home invasion, detectives believe his murder could be tied to a string of Philly crimes against businesses, until they uncover that the mastermind is someone much closer to home.

When a former cop discovers his wife shot to death, authorities believe it's suicide; but her family fights back, turning the Texas justice system upside down.

The execution of successful businesswoman and mother Makeva Jenkins sparks an intense investigation, but unveiling the masked gunman requires unmasking a litany of suspects in hopes of exposing a killer relationship.

After a successful Korean-American business owner is killed during a home invasion, detectives believe his murder could be tied to a string of Philly crimes against businesses, until they uncover that the mastermind is someone much closer to home.

When former NFL star Antonio Armstrong and his wife, Dawn, are murdered in their own bed, detectives uncover a stray bullet, threatening note and web of complicated family dynamics that ultimately unravel, revealing a dark betrayal.

A paroled killer linked to the disappearance of young women forces police into a desperate manhunt; this shocking case unfolds against a backdrop of unfortunate legal and parole decisions that set Kenneth McDuff loose to become a serial killer.

The ambush-style murder of a human rights activist confuses investigators; but when her boyfriend's brother is also gunned down, police uncover a plan to commit murders in the name of honor.

A son uncovers a dark family conspiracy when he questions his mother following a man's apparent suicide.

A son uncovers a dark family conspiracy when he questions his mother following a man's apparent suicide.

A murder case considered closed by North Dakota detectives is suddenly reopened when a confidential informant comes forward with a tip about an unlikely suspect.