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.

The light of day and DNA picture painted by molecular biologist reveals new clues about a nighttime traffic accident.

On Valentine's Day, an obstetrician finds his wife dead and calls 911; police discover inconsistencies between the blood spatter evidence and his version of events.

When a bullet is found in the head of a man's body assumed to have died of natural causes, the double life of his wife and daughter is exposed.

Weed analysis and photogrammetry are used to help solve the 1995 murder of a California teenager is found dead after disappearing from her home.

When police recover the submerged car of a missing man, they find no body; the investigation that follows uncovers a deadly obsession and the motive for murder.

After a body is found in the snow, clues lead to an ex-girlfriend and a secret marriage.

Emergency dispatch received a call from a man who said his girlfriend shot and killed herself. But the wound was not self-inflicted.

Investigators piece together evidence found at the scene of a Native American woman's murder; the tire tracks and shoe impressions could lead them to the killer.

A best friend's betrayal reveals a woman's plot to murder her husband; shocking secrets of witchcraft, poison and juicy neighborhood affairs.

Experts seek answers to a young businesswoman's death just before she was to testify in a criminal trial.

An anonymous caller reports the rape and murder of a dry cleaner employee; two eyewitnesses tell two similar but not identical stories.

Amber finds her home ransacked and the police find her fiancé dead in his bed; what at first seems like a home invasion gone wrong turns into a twisted situation as melting snow reveals a clue.

Woman disappears from grocery store parking lot in Boulder, Colo.; investigators find extraordinary clues in a pair of bloody gloves, unique tire tracks, and ordinary grass and pine needles.

In a wealthy area of Philadelphia, police are called to the scene of what seems like a regular accidental drowning; the investigation begins to focus on one person who has many reasons to want the victim dead.

When a man is shot after answering a local help wanted ad, detectives discover there are other victims with eerily similar stories; their quest to locate a possible serial killer leads them to a suspected killer working for an evil manipulator.

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

A father shoots a masked intruder after he is ambushed in his own garage, but as the unknown assailant clings to life and LAPD try to make sense of the strange situation, a twisted web of manipulation and lies within the family is revealed.

After a bitter divorce, an addiction therapist blackmails her patient into helping her find a hitman to kill her ex-husband; but what she doesn't know is the patient enlists the help of an undercover officer to try to prevent a cold-blooded murder.

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

The investigation into the death of a Florida firefighter reveals a tale of secrets, lies and infidelity.

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

Religion is a way of life in Raleigh-Durham, N.C., so when a 21-year-old church-going HBCU coed is found stabbed to death on the side of the road, investigators must uncover the sins under the surface of this sacred community.

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

A serial killer terrorizes a small-town Texas hospital, secretly murdering patients with a cold and calculated bloodlust; as the body count rises, administrators and police work together to uncover the killer and get justice.

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

A Philadelphia DJ is found dead in a radio station parking lot; detectives untangle a web of deceit that proves the old adage that blood is thicker than water.

When a millionaire playboy is found burned to death inside his Buckhead mansion, investigators must navigate a love triangle to find the killer.

A beloved matriarch is found viciously murdered in her suburban Philadelphia home; detectives investigate the victim's inner circle and uncover a killer hidden in plain sight.

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

After four people turn up dead, investigators chase a serial killer who may be reenacting scenes from a horror movie released in the 1980s.

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

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

A crime takes place in Florida but detectives don't discover a motive for murder until they look into a tropical island thousands of miles away, where a festering grudge was born.

A tight-knit Orthodox Jewish community is terrified when police respond to a mother's 911 call from her ransacked house to break down the locked bedroom door of her daughter, 18-year-old Aliza, to find Aliza naked and dead on the floor.

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.

Celebrity dog trainer Mark Stover and his wife Linda build a thriving business and a beautiful home, but their dream life doesn't last; an affair leads to a bitter divorce, then Mark vanishes in a mystery with the makings of a Hollywood thriller.

Two young women are sexually assaulted and strangled five years apart but connected by the same unknown DNA; after both cases turn cold, the New York Police Department and New York State Police combine forces 17 years later to find the killer.

In Williamsburg, a slew of strikingly similar murders sets off alarm bells; as the body count rises and the victims bear the same twisted signature, investigators reach a terrifying conclusion: a serial killer is stalking the streets of Brooklyn.

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.

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.

When a college student and exotic dancer is found dead after being thrown from a bridge, detectives investigate the controversial players in Rachel's double life and come up with a killer they never imagined.

Real estate developer Gary Triano lived large; his murder was a bold statement; there were whispers of a mob connection, an angry investor, or a mad ex, and the mystery took nearly two decades to unravel.

Nick popped the question and Kristy said yes; they were busy planning their future when she found him dead in the bedroom; police questioned spurned lovers and office enemies before a tip from Nick's brother helped reveal the true killer.

The light of day and DNA picture painted by molecular biologist reveals new clues about a nighttime traffic accident.

On Valentine's Day, an obstetrician finds his wife dead and calls 911; police discover inconsistencies between the blood spatter evidence and his version of events.

Michelle Mockbee met her husband at the warehouse where they both worked; it was also where she met an untimely death; security footage led police to a suspect, but when it appeared justice had been served, a scandal turned the case upside down.

Weed analysis and photogrammetry are used to help solve the 1995 murder of a California teenager is found dead after disappearing from her home.

When police recover the submerged car of a missing man, they find no body; the investigation that follows uncovers a deadly obsession and the motive for murder.

Angila Wilder was a busy mom, working to make her dream of becoming a nurse come true, then she was murdered; at first, investigators thought it looked like an open-and-shut case, but it would take an elaborate sting to uncover the truth.

Emergency dispatch received a call from a man who said his girlfriend shot and killed herself. But the wound was not self-inflicted.

Investigators piece together evidence found at the scene of a Native American woman's murder; the tire tracks and shoe impressions could lead them to the killer.

Emma Walker was a fun-loving teen with her whole life ahead of her, then she was shot dead in her bed; detectives were facing a tough investigation.

Experts seek answers to a young businesswoman's death just before she was to testify in a criminal trial.

An anonymous caller reports the rape and murder of a dry cleaner employee; two eyewitnesses tell two similar but not identical stories.

When a recently divorced mom vanished, the search to find her was halted by a hurricane; as the floodwaters receded, investigators discovered the same deadly storm that slowed their investigation was about to flush out her killer.

Woman disappears from grocery store parking lot in Boulder, Colo.; investigators find extraordinary clues in a pair of bloody gloves, unique tire tracks, and ordinary grass and pine needles.

In a wealthy area of Philadelphia, police are called to the scene of what seems like a regular accidental drowning; the investigation begins to focus on one person who has many reasons to want the victim dead.

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

Pfc. Karlyn Ramirez, who has a job she loves and a baby she adores, is shot dead in her home; her killer thinks he has covered his tracks, but investigators uncover a plot so devious, it defies imagination.

After a bitter divorce, an addiction therapist blackmails her patient into helping her find a hitman to kill her ex-husband; but what she doesn't know is the patient enlists the help of an undercover officer to try to prevent a cold-blooded murder.

Cassy Farrington, a mother of two, was found dead in her bathtub; Cassy's parents are determined to solve the mystery.

The murder of a California mother beloved by four men reopens a mystery surrounding another young woman's death that occurred decades earlier.

The murder of a California mother beloved by four men reopens a mystery surrounding another young woman's death that occurred decades earlier.

A hairdresser-turned-detective uncovers the truth behind the murder of a teenage girl at a scenic spot on a Utah river.

Religion is a way of life in Raleigh-Durham, N.C., so when a 21-year-old church-going HBCU coed is found stabbed to death on the side of the road, investigators must uncover the sins under the surface of this sacred community.

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

A serial killer terrorizes a small-town Texas hospital, secretly murdering patients with a cold and calculated bloodlust; as the body count rises, administrators and police work together to uncover the killer and get justice.

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 Philadelphia DJ is found dead in a radio station parking lot; detectives untangle a web of deceit that proves the old adage that blood is thicker than water.

Driving home from a night out at a club, a nurse's aide strikes a homeless man on the freeway. The choices she makes after the crash, and her attempt to keep them a secret, are revealed when friends testify against her in a dramatic trial.

A beloved matriarch is found viciously murdered in her suburban Philadelphia home; detectives investigate the victim's inner circle and uncover a killer hidden in plain sight.

After a police chase ends in tragedy, Special Prosecutor Kelly Siegler returns to her rural roots to seek justice for a murdered game warden and his devastated family.

After four people turn up dead, investigators chase a serial killer who may be reenacting scenes from a horror movie released in the 1980s.

When a college student is found dead after a party, his mother is determined to find out what happened; what follows is one of Dennis Murphy's most memorable stories, as this tenacious mom fights to get her son's case in front of a jury.

A mother and son die in a house fire, and a man confesses to their murders; later, he says he was coerced; Keith Morrison returns to the case for a look at the interrogation and the circumstances that could've led to a false confession.

A crime takes place in Florida but detectives don't discover a motive for murder until they look into a tropical island thousands of miles away, where a festering grudge was born.

Reagan Tokes worked a late shift at a local restaurant, then went missing.

Josh Mankiewicz returns to a case; a popular teacher was killed in her home; there was an arrest, a trial, and a verdict.

Celebrity dog trainer Mark Stover and his wife Linda build a thriving business and a beautiful home, but their dream life doesn't last; an affair leads to a bitter divorce, then Mark vanishes in a mystery with the makings of a Hollywood thriller.

A beloved couple is found murdered among a lifetime of valuable collectibles in their home; investigators want to know if there is a connection between the memorabilia and the murders.

A case Keith Morrison can't forget in which a teen's murder shakes a Nevada community and two unlikely people confess.

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.

Andrea Canning recalls a case in which investigators set up an elaborate sting operation to stop a murder-for-hire plot.

A chance meeting at a nightclub ends in murder; those involved in the gruesome crime thought they had buried the secrets of the past, but a relentless team of investigators will stop at nothing to unearth the truth.

After Lisa Zeigert is killed, her family keeps the case in the public eye for decades; Andrea Canning reflects on the harrowing mystery and discusses the inspiration she's drawn from Lisa's loved ones.

Nick popped the question and Kristy said yes; they were busy planning their future when she found him dead in the bedroom; police questioned spurned lovers and office enemies before a tip from Nick's brother helped reveal the true killer.

A woman in Los Angeles is killed in an apparent botched burglary; nearly 20 years later, a detective discovers a clue that turns the case on its head; Josh Mankiewicz revisits a story with a twist that surprised him.

Michelle Mockbee met her husband at the warehouse where they both worked; it was also where she met an untimely death; security footage led police to a suspect, but when it appeared justice had been served, a scandal turned the case upside down.

Angila Wilder was a busy mom, working to make her dream of becoming a nurse come true, then she was murdered; at first, investigators thought it looked like an open-and-shut case, but it would take an elaborate sting to uncover the truth.

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

Emma Walker was a fun-loving teen with her whole life ahead of her, then she was shot dead in her bed; detectives were facing a tough investigation.

When a recently divorced mom vanished, the search to find her was halted by a hurricane; as the floodwaters receded, investigators discovered the same deadly storm that slowed their investigation was about to flush out her killer.

Keith Morrison revisits a story where he says unusual would be putting it mildly; at first it appeared to be a drowning accident during a romantic sunset cruise; but soon Idaho investigators suspected something more sinister.

Pfc. Karlyn Ramirez, who has a job she loves and a baby she adores, is shot dead in her home; her killer thinks he has covered his tracks, but investigators uncover a plot so devious, it defies imagination.

Cassy Farrington, a mother of two, was found dead in her bathtub; Cassy's parents are determined to solve the mystery.

When Britney Ujlaky disappears, a small Nevada town bands together to track down an unknown cowboy who's a potential suspect; Some stories are memorable for their twists, people or locations; this one checks all three boxes.

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

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

An in-depth interview with Charles Manson's former parole officer; rarely seen video of Manson; interviews with victims' family members, and others close to the case.

In the emerald suburb of Cordova, Tenn, the Caronna's live a seemingly perfect life; when one of them turns up missing on the day of a big party, investigators uncover that behind closed doors lies a mysterious tale of lust and greed.

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

A look at the shooting of a star polo player at the hands of his heiress girlfriend in a tight-knit Virginia community; detectives must determine if the heiress acted in self-defense as she claims or if there's more to the story.

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.

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.

Driving home from a night out at a club, a nurse's aide strikes a homeless man on the freeway. The choices she makes after the crash, and her attempt to keep them a secret, are revealed when friends testify against her in a dramatic trial.

When a rising star in Atlanta's fashion scene is murdered, detectives must determine if the shooting is related to a business deal gone bad or if it's a personal vendetta; the team cracks the case and is shocked when it discovers the mastermind.

After a police chase ends in tragedy, Special Prosecutor Kelly Siegler returns to her rural roots to seek justice for a murdered game warden and his devastated family.

When a college student is found dead after a party, his mother is determined to find out what happened; what follows is one of Dennis Murphy's most memorable stories, as this tenacious mom fights to get her son's case in front of a jury.

When a hockey player and a single mom are found dead in an upscale Newport Beach, Calif., condo, loved ones have no idea how they knew each other; the discovery of a link to another area attack launches the race to catch a killer.

A mother and son die in a house fire, and a man confesses to their murders; later, he says he was coerced; Keith Morrison returns to the case for a look at the interrogation and the circumstances that could've led to a false confession.

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

Reagan Tokes worked a late shift at a local restaurant, then went missing.

When a retired Marine captain is shot to death in his home, detectives quickly focus in on someone close to him. The apartment complex where the murder took place holds many secrets, which ultimately lead investigators to the real killers.

Josh Mankiewicz returns to a case; a popular teacher was killed in her home; there was an arrest, a trial, and a verdict.

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 beloved couple is found murdered among a lifetime of valuable collectibles in their home; investigators want to know if there is a connection between the memorabilia and the murders.

A Philadelphia DJ is found dead in a radio station parking lot; detectives untangle a web of deceit that proves the old adage that blood is thicker than water.

A case Keith Morrison can't forget in which a teen's murder shakes a Nevada community and two unlikely people confess.

A beloved matriarch is found viciously murdered in her suburban Philadelphia home; detectives investigate the victim's inner circle and uncover a killer hidden in plain sight.

After her husband is shot, Teresa sends authorities on the hunt for two gunmen but the evidence points to a killer closer to home.

Andrea Canning recalls a case in which investigators set up an elaborate sting operation to stop a murder-for-hire plot.

Two poisonous love stories; a wealthy socialite and a Midwestern woman who have one thing in common.

After Lisa Zeigert is killed, her family keeps the case in the public eye for decades; Andrea Canning reflects on the harrowing mystery and discusses the inspiration she's drawn from Lisa's loved ones.

The suspicious death of Eric leaves the police asking if it was a suicide, an intruder, or if it was a girlfriend with a deadly secret.

Lynette flees the country when her ex-boyfriend is shot during a custody dispute; investigators face many challenges.

A woman in Los Angeles is killed in an apparent botched burglary; nearly 20 years later, a detective discovers a clue that turns the case on its head; Josh Mankiewicz revisits a story with a twist that surprised him.

Frank is gunned down; police discover a sick plot of lies and manipulation, centered on their ongoing custody battle.

A missing person case goes cold until a nervous breakdown leads to a confession.

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

A successful daycare owner finds her husband dead after an alleged home invasion; police discover a shocking double life and a murder plan full of possible accomplices.

A family searches for a missing teenager only to find out she's been betrayed by her closest friends.

Keith Morrison revisits a story where he says unusual would be putting it mildly; at first it appeared to be a drowning accident during a romantic sunset cruise; but soon Idaho investigators suspected something more sinister.

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

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.

When Britney Ujlaky disappears, a small Nevada town bands together to track down an unknown cowboy who's a potential suspect; Some stories are memorable for their twists, people or locations; this one checks all three boxes.

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.

The unbelievable murder of Carol Kennedy, a popular college professor, artist and mother.

The unbelievable murder of Carol Kennedy, a popular college professor, artist and mother.

A detective comes face to face with a serial killer when she promises to get justice for the mother of a victim whose body turns up at an Anaheim trash facility.

In the emerald suburb of Cordova, Tenn, the Caronna's live a seemingly perfect life; when one of them turns up missing on the day of a big party, investigators uncover that behind closed doors lies a mysterious tale of lust and greed.

A group of adventurous Americans thought they had stumbled into paradise on the warm waters of a tropical hideaway.

The mysterious and near fatal shooting of an America security analyst outside Washington, DC may be linked to the murder of a Russian agent in London.

A look at the shooting of a star polo player at the hands of his heiress girlfriend in a tight-knit Virginia community; detectives must determine if the heiress acted in self-defense as she claims or if there's more to the story.

When a popular teacher is stabbed in her Staten Island home, NYPD officers in this close-knit community embark on a quest for justice, uncovering a web of secrets and lies behind closed doors that leave even the most seasoned detectives reeling.

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.

In the 1990s, a group of over-the-top misfits known as the Club Kids rule New York's downtown club scene; after a beloved member goes missing, a gruesome rumor circulates and detectives uncover a seedy world of drugs, debauchery and murder.

When a rising star in Atlanta's fashion scene is murdered, detectives must determine if the shooting is related to a business deal gone bad or if it's a personal vendetta; the team cracks the case and is shocked when it discovers the mastermind.

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

When a hockey player and a single mom are found dead in an upscale Newport Beach, Calif., condo, loved ones have no idea how they knew each other; the discovery of a link to another area attack launches the race to catch a killer.

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

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

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

When a retired Marine captain is shot to death in his home, detectives quickly focus in on someone close to him. The apartment complex where the murder took place holds many secrets, which ultimately lead investigators to the real killers.

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 Philadelphia DJ is found dead in a radio station parking lot; detectives untangle a web of deceit that proves the old adage that blood is thicker than water.

A beloved matriarch is found viciously murdered in her suburban Philadelphia home; detectives investigate the victim's inner circle and uncover a killer hidden in plain sight.

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.

After her husband is shot, Teresa sends authorities on the hunt for two gunmen but the evidence points to a killer closer to home.

A beloved matriarch is found viciously murdered in her suburban Philadelphia home; detectives investigate the victim's inner circle and uncover a killer hidden in plain sight.

Two poisonous love stories; a wealthy socialite and a Midwestern woman who have one thing in common.

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.

The suspicious death of Eric leaves the police asking if it was a suicide, an intruder, or if it was a girlfriend with a deadly secret.

When a college student and exotic dancer is found dead after being thrown from a bridge, detectives investigate the controversial players in Rachel's double life and come up with a killer they never imagined.

Lynette flees the country when her ex-boyfriend is shot during a custody dispute; investigators face many challenges.

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.

Frank is gunned down; police discover a sick plot of lies and manipulation, centered on their ongoing custody battle.

The beloved wife of a respected pastor dies in a tragic car accident; the community mourns until a congregant commits suicide, triggering an investigation that brings deadly secrets to light.

A missing person case goes cold until a nervous breakdown leads to a confession.

An expectant mother, Samantha Dean, is shot to death in an abandoned parking lot in Bastrop, Texas; as detectives dig deeper, they discover a diabolical plan, a shocking betrayal and a killer relationship.

A successful daycare owner finds her husband dead after an alleged home invasion; police discover a shocking double life and a murder plan full of possible accomplices.

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 family searches for a missing teenager only to find out she's been betrayed by her closest friends.

A teen makes a 911 call claiming his grandmother shot him, but detectives uncover drugs and deep familial conflicts spanning a generational divide, leaving a jury questioning who to believe.

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

After best friends spend an evening Christmas shopping, the night ends with one man fatally shooting the other; the survivor claims self-defense, but his foggy memory, forensic evidence and witness accounts suggest there could be more to the story.

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.

An aspiring doctor shoots her husband in front of their two sons on the side of a Nebraska interstate; a jury must decide whether this was an abused woman defending her life or a fed-up wife who wanted out of her marriage.

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.

Money and greed tear two close-knit California families apart.

Money and greed tear two close-knit California families apart.

Two suspects are arrested for the murder of a millionaire 15 years after the crime was committed.

A group of adventurous Americans thought they had stumbled into paradise on the warm waters of a tropical hideaway.

The mysterious and near fatal shooting of an America security analyst outside Washington, DC may be linked to the murder of a Russian agent in London.

When a popular teacher is stabbed in her Staten Island home, NYPD officers in this close-knit community embark on a quest for justice, uncovering a web of secrets and lies behind closed doors that leave even the most seasoned detectives reeling.

In the 1990s, a group of over-the-top misfits known as the Club Kids rule New York's downtown club scene; after a beloved member goes missing, a gruesome rumor circulates and detectives uncover a seedy world of drugs, debauchery and murder.

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

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

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

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

When a 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 Philadelphia DJ is found dead in a radio station parking lot; detectives untangle a web of deceit that proves the old adage that blood is thicker than water.

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 beloved matriarch is found viciously murdered in her suburban Philadelphia home; detectives investigate the victim's inner circle and uncover a killer hidden in plain sight.

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.

When a college student and exotic dancer is found dead after being thrown from a bridge, detectives investigate the controversial players in Rachel's double life and come up with a killer they never imagined.

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 beloved wife of a respected pastor dies in a tragic car accident; the community mourns until a congregant commits suicide, triggering an investigation that brings deadly secrets to light.

An expectant mother, Samantha Dean, is shot to death in an abandoned parking lot in Bastrop, Texas; as detectives dig deeper, they discover a diabolical plan, a shocking betrayal and a killer relationship.

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 teen makes a 911 call claiming his grandmother shot him, but detectives uncover drugs and deep familial conflicts spanning a generational divide, leaving a jury questioning who to believe.

After best friends spend an evening Christmas shopping, the night ends with one man fatally shooting the other; the survivor claims self-defense, but his foggy memory, forensic evidence and witness accounts suggest there could be more to the story.

An aspiring doctor shoots her husband in front of their two sons on the side of a Nebraska interstate; a jury must decide whether this was an abused woman defending her life or a fed-up wife who wanted out of her marriage.

When a mother of four dies unexpectedly on Valentine's Day, her death is attributed to natural causes, but a detective suspects that someone murdered the woman.

When a mother of four dies unexpectedly on Valentine's Day, her death is attributed to natural causes, but a detective suspects that someone murdered the woman.

After teenagers Rachel Shoaf and Sheila Eddy are convicted of murdering their 16-year-old friend, Skylar Neese, Skylar's parents discuss the night she disappeared; Rachel Shoaf's therapist, Patricia Bailey, shares her thoughts.