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

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

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

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

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

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

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.

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

A Jacksonville, Fla., firefighter discovers a disturbingly violent scene in his darkened bedroom on a Halloween weekend.

A Jacksonville, Fla., firefighter discovers a disturbingly violent scene in his darkened bedroom on a Halloween weekend.

A young woman's murder remains unsolved until someone comes forward to reveal her own harrowing story.

In Kansas, two women go out for a night of revelry and encounter a host of old and would-be boyfriends, but by morning one of the women is found dead in her home and an investigation into her last hours begins.

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

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

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

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 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.

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

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

A woman is the target of three murder attempts, and her husband and his lover point fingers at each other.

A woman kidnaps and shoots her former fiance.

A wife is charged with killing her husband; she may have been wrongly accused.

The founder of a women's advocacy group plots to kill her son's father and his wife.

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.

Boardinghouse guests are tortured and murdered.

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 man and his girlfriend are attacked; the evidence leads the detectives to the ex-wife.

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

A former teacher's plea of self-defense is called into question.

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

A woman claims it was an accident when she ran over her husband.

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 young widow blames depression for her husband's death.

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

A discovery in the woods leads police to a troubled marriage, a drug overdose and a deadly plot.

A brutal fight leaves a woman fighting for her life and her freedom.

When a police officer's wife is shot to death in her bed, her parents' certainty that investigators have it wrong and their determination to untangle the mystery, makes the case unforgettable for Josh Mankiewicz.

A millionaire lottery winner goes missing, leaving his financial advisor in the spotlight.

A deadly break-in pits mother against daughter.

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

An in-depth look into the disturbing murder of Travis Alexander.

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

An in-depth look into the disturbing murder of Travis Alexander.

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

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?

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.

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 man who was recently acquitted of the murder of his ex-girlfriend's 12-year-old son tells his story; interview with the victim's mother and key players in the case.

A man who was recently acquitted of the murder of his ex-girlfriend's 12-year-old son tells his story; interview with the victim's mother and key players in the case.

The parents of a missing South Carolina woman speak out about her disappearance.

A soon-to-be bride is caught in the middle of a twisted murder plot that has detectives questioning if she played a role in it.

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

When a young woman fails to show up to work and her mother rushes to her home to try to find her, what she discovers begins an investigation that leads to a suspect no one imagined.

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

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

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 San Diego mother suddenly vanishes in 2014; nearly two years later, her body is found in San Diego Bay, but medical examiners say she has only been dead for a month or two.

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

An army reservist disappears; his wife appears to have cooked the evidence.

When a police officer goes missing, it becomes apparent he is the victim of a jealous wrath.

A crime novelist's plot for her husband's untimely death.

Three members of a wealthy family are gunned down in their own home; with little evidence to go on, investigators embark on a multi-year surveillance operation to see if they can prove their instincts are correct.

Rebecca Sears and her son, are accused of robbing and beating their neighbor to death in March 2009.

A beloved entrepreneur is murdered in his office; a secret double life is quickly revealed, and despite mountains of suspicion, lies and motives, his killer is not who one would assume.

A woman gives her husband a deadly dose of morphine.

A man is found dead in the shower, and police have only two suspects, but to figure out who killed him and why, is not as cut and dry as it may seem.

Boardinghouse guests are tortured and murdered.

A woman vanishes during her nightly walk in 2018; the last time she's seen alive is by an ATM security camera that could hold the key to solving her disappearance.

A man and his girlfriend are attacked; the evidence leads the detectives to the ex-wife.

Kelly and Terri investigate the 2015 homicide of a beloved father, veteran and Little League coach; a reexamination of the crime scene reveals a terrifying clue into who may have killed him.

A former teacher's plea of self-defense is called into question.

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.

A woman claims it was an accident when she ran over her husband.

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

A young widow blames depression for her husband's death.

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 discovery in the woods leads police to a troubled marriage, a drug overdose and a deadly plot.

Kelly and Tonya look into the murder of a hard-working mother who was stabbed and bludgeoned to death; the investigation uncovers a secret affair and a revelation as shocking as the murder itself.

A brutal fight leaves a woman fighting for her life and her freedom.

When a garbage bag containing a young woman's body is dumped in a NYC tunnel, Barbara Butcher and a rookie homicide detective unravel how a seemingly straightforward crime conceals a chain of forensic contradictions, and a killer no one saw coming.

A millionaire lottery winner goes missing, leaving his financial advisor in the spotlight.

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?

A deadly break-in pits mother against daughter.

An in-depth look into the disturbing murder of Travis Alexander.

Kelly and Tonya look into the murder of a hard-working mother who was stabbed and bludgeoned to death; the investigation uncovers a secret affair and a revelation as shocking as the murder itself.

An in-depth look into the disturbing murder of Travis Alexander.

When a garbage bag containing a young woman's body is dumped in a NYC tunnel, Barbara Butcher and a rookie homicide detective unravel how a seemingly straightforward crime conceals a chain of forensic contradictions, and a killer no one saw coming.

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?

When an elderly woman survives an attempted murder, investigators connect the dots on the deaths of other local senior citizens where families reported missing jewelry, leading to the hunt for a serial killer in Texas.

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.

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.

Investigation into a deadly house fire.

Investigation into a deadly house fire.

When two tragic deaths occur within one week of each other in a wealthy city in California, families begin to wonder what happened inside a beachfront mansion.

A soon-to-be bride is caught in the middle of a twisted murder plot that has detectives questioning if she played a role in it.

When a young woman fails to show up to work and her mother rushes to her home to try to find her, what she discovers begins an investigation that leads to a suspect no one imagined.

The search for a missing man leads investigators to a surprising discovery.

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

The murder of a church choir member reveals a sordid secret and an unlikely love triangle.

A San Diego mother suddenly vanishes in 2014; nearly two years later, her body is found in San Diego Bay, but medical examiners say she has only been dead for a month or two.

A man's roadside shooting leads to the discovery of his wife's double life.

Betrayal and finger pointing occur in the investigation of a murder in an isolated parking lot, which has multiple suspects.

When a police officer goes missing, it becomes apparent he is the victim of a jealous wrath.

A son is reported missing after he fails to return home from a date; various Mississippi agencies unite to navigate his last moments and a false lead that will expose a cold-blooded scheme.

Three members of a wealthy family are gunned down in their own home; with little evidence to go on, investigators embark on a multi-year surveillance operation to see if they can prove their instincts are correct.

When a man is found dead at a secluded rest stop, Ohio police suspect foul play within his family; as evidence builds, tensions rise, and reveal the work of a criminal mastermind intent on manipulating everyone around them.

A beloved entrepreneur is murdered in his office; a secret double life is quickly revealed, and despite mountains of suspicion, lies and motives, his killer is not who one would assume.

A woman's sudden death is initially ruled a suicide, but when new information comes to light, a shocking conspiracy is revealed; investigators unravel a tangled web of lies, betrayal and jealousy to uncover the truth behind her murder.

A man is found dead in the shower, and police have only two suspects, but to figure out who killed him and why, is not as cut and dry as it may seem.

When a beloved father in Dothan, Ala., narrowly survives a car bombing, a man hunt is launched to find who set the trap; as the investigation unfolds, police uncover a murderous plot hatched by a scorned ex-lover.

A woman vanishes during her nightly walk in 2018; the last time she's seen alive is by an ATM security camera that could hold the key to solving her disappearance.

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.

Kelly and Terri investigate the 2015 homicide of a beloved father, veteran and Little League coach; a reexamination of the crime scene reveals a terrifying clue into who may have killed him.

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.

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.

A promising college student disappears after a Halloween party; as detectives hunt for any sign of the missing woman, they uncover a volatile love triangle and a brutal murder driven by manipulation and jealousy.

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

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?

When a garbage bag containing a young woman's body is dumped in a NYC tunnel, Barbara Butcher and a rookie homicide detective unravel how a seemingly straightforward crime conceals a chain of forensic contradictions, and a killer no one saw coming.

Kelly and Tonya look into the murder of a hard-working mother who was stabbed and bludgeoned to death; the investigation uncovers a secret affair and a revelation as shocking as the murder itself.

A promising college student disappears after a Halloween party; as detectives hunt for any sign of the missing woman, they uncover a volatile love triangle and a brutal murder driven by manipulation and jealousy.

When a garbage bag containing a young woman's body is dumped in a NYC tunnel, Barbara Butcher and a rookie homicide detective unravel how a seemingly straightforward crime conceals a chain of forensic contradictions, and a killer no one saw coming.

After the body of a small-town Mississippi woman is found in her garage and a mystery woman is caught red-handed on scene, police must work to identify a romantic rival obsessed with getting rid of the competition.

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?

A noise complaint turns into a murder investigation for Florida police after they discover a man has been fatally shot in his home; years pass before an unexpected confession will expose a murder-for-hire plot fueled by betrayal and greed.

Kelly and Tonya look into the murder of a hard-working mother who was stabbed and bludgeoned to death; the investigation uncovers a secret affair and a revelation as shocking as the murder itself.

When a local musician is killed in a deliberate hit and run, rumors around his small South Carolina town suggest it's the result of an escalating family feud; the investigation reveals a killer hiding in plain sight and driven by revenge.

When a garbage bag containing a young woman's body is dumped in a NYC tunnel, Barbara Butcher and a rookie homicide detective unravel how a seemingly straightforward crime conceals a chain of forensic contradictions, and a killer no one saw coming.

When an elderly woman survives an attempted murder, investigators connect the dots on the deaths of other local senior citizens where families reported missing jewelry, leading to the hunt for a serial killer in Texas.

A North Dakota man dies in the hospital from an apparent heatstroke; when the coroner discovers the cause of death was poisoning, authorities launch a criminal investigation that leads them to a calculating killer with a multi-million-dollar motive.

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 Virginia father is reported missing two years after he was last seen; as the investigation ensues to track down his last location, a disturbing discovery will expose two mysterious deaths tied to a greedy scheme.

Investigators seek answers when a prosecutor and a district attorney and his wife are murdered within a couple of months of each other.

Investigators seek answers when a prosecutor and a district attorney and his wife are murdered within a couple of months of each other.

Police suspect a murder-for-hire plot when a realtor is attacked and left for dead at a home showing and begin investigating his family and business partners.

A suspicious shooting reveals a real estate agent's scandalous secret life.

A DNA breakthrough in a murder case that is more than a decade old leads two determined detectives to surprising suspects.

The brutal murder of a homecoming queen shocks a town.

Investigators follow the trail of a seemingly untraceable late-night call as they search for the killer of businesswoman Peggy Nadell.

The search for a missing man leads investigators to a surprising discovery.

The murder of a church choir member reveals a sordid secret and an unlikely love triangle.

A man's roadside shooting leads to the discovery of his wife's double life.

Betrayal and finger pointing occur in the investigation of a murder in an isolated parking lot, which has multiple suspects.

A son is reported missing after he fails to return home from a date; various Mississippi agencies unite to navigate his last moments and a false lead that will expose a cold-blooded scheme.

When a man is found dead at a secluded rest stop, Ohio police suspect foul play within his family; as evidence builds, tensions rise, and reveal the work of a criminal mastermind intent on manipulating everyone around them.

A woman's sudden death is initially ruled a suicide, but when new information comes to light, a shocking conspiracy is revealed; investigators unravel a tangled web of lies, betrayal and jealousy to uncover the truth behind her murder.

When a beloved father in Dothan, Ala., narrowly survives a car bombing, a man hunt is launched to find who set the trap; as the investigation unfolds, police uncover a murderous plot hatched by a scorned ex-lover.

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 promising college student disappears after a Halloween party; as detectives hunt for any sign of the missing woman, they uncover a volatile love triangle and a brutal murder driven by manipulation and jealousy.

A promising college student disappears after a Halloween party; as detectives hunt for any sign of the missing woman, they uncover a volatile love triangle and a brutal murder driven by manipulation and jealousy.

Kelly and Tonya look into the murder of a hard-working mother who was stabbed and bludgeoned to death; the investigation uncovers a secret affair and a revelation as shocking as the murder itself.

The murder of a Texas man reveals a deadly love triangle.

When a garbage bag containing a young woman's body is dumped in a NYC tunnel, Barbara Butcher and a rookie homicide detective unravel how a seemingly straightforward crime conceals a chain of forensic contradictions, and a killer no one saw coming.

A promising college student disappears after a Halloween party; as detectives hunt for any sign of the missing woman, they uncover a volatile love triangle and a brutal murder driven by manipulation and jealousy.

After the body of a small-town Mississippi woman is found in her garage and a mystery woman is caught red-handed on scene, police must work to identify a romantic rival obsessed with getting rid of the competition.

A noise complaint turns into a murder investigation for Florida police after they discover a man has been fatally shot in his home; years pass before an unexpected confession will expose a murder-for-hire plot fueled by betrayal and greed.

When a local musician is killed in a deliberate hit and run, rumors around his small South Carolina town suggest it's the result of an escalating family feud; the investigation reveals a killer hiding in plain sight and driven by revenge.

A North Dakota man dies in the hospital from an apparent heatstroke; when the coroner discovers the cause of death was poisoning, authorities launch a criminal investigation that leads them to a calculating killer with a multi-million-dollar motive.

When a garbage bag containing a young woman's body is dumped in a NYC tunnel, Barbara Butcher and a rookie homicide detective unravel how a seemingly straightforward crime conceals a chain of forensic contradictions, and a killer no one saw coming.

A Virginia father is reported missing two years after he was last seen; as the investigation ensues to track down his last location, a disturbing discovery will expose two mysterious deaths tied to a greedy scheme.

Kelly and Tonya look into the murder of a hard-working mother who was stabbed and bludgeoned to death; the investigation uncovers a secret affair and a revelation as shocking as the murder itself.

During a weekend away, a longtime married couple go on an afternoon hike that ends in tragedy; a multitude of evidence makes the mystery hard to untangle.

During a weekend away, a longtime married couple go on an afternoon hike that ends in tragedy; a multitude of evidence makes the mystery hard to untangle.

When a woman is found murdered in her bed, her husband and her son accuse each other of being the killer.

A suspicious shooting reveals a real estate agent's scandalous secret life.

The brutal murder of a homecoming queen shocks a town.

A custody battle, a shooting and a suicide on the train tracks.

An Atlanta woman's secret addiction is revealed when her doting husband is gunned down.

Police are lead to a family conspiracy after a brutal slaying and a car fire.

An Ohio man is thought to have committed suicide but new leads could implicate his fiance.

A bizarre bombing, a body in a freezer and a jilted boyfriend lead police to a woman with a notorious past.

A woman blames mistaken identity on her boyfriend's death.

The mystery of a former Vegas showgirl, a dismembered body and a missing husband.

A college instructor calls 911; a murder scene or suicide.

A hunter's death has authorities tracking a killer.

A suspicious fire and a secret lover lead officials to ask if the wife was involved.

Julia Phillips orchestrates the murder of her boyfriend Melvin Roberts outside his home on her birthday in February 2010.

A promising college student disappears after a Halloween party; as detectives hunt for any sign of the missing woman, they uncover a volatile love triangle and a brutal murder driven by manipulation and jealousy.

The murder of a Texas man reveals a deadly love triangle.

When a young Marine goes missing, police uncover a deadly plot.

A school nurse pulls the trigger; investigators must determine if it was in self-defense or if it was murder.

A bar fire reveals a murder and a woman's secret addiction.

A deadly fight exposes a mother's secrets.

When a garbage bag containing a young woman's body is dumped in a NYC tunnel, Barbara Butcher and a rookie homicide detective unravel how a seemingly straightforward crime conceals a chain of forensic contradictions, and a killer no one saw coming.

Kelly and Tonya look into the murder of a hard-working mother who was stabbed and bludgeoned to death; the investigation uncovers a secret affair and a revelation as shocking as the murder itself.

After losing a hotly contested custody battle, a woman disappears with her 11-month-old daughter; the child's father searches four continents for almost two decades before reaching an emotional conclusion.

A 33-year-old tutor is accused of having an illicit relationship with a teenage student after a racy photograph is discovered on a cell phone; later, her stunning defense will lead to an emotional courtroom battle.

The case of Johnny Hincapie, whose conviction for the 1990 murder of a Utah tourist in New York -- a case that represented a tipping point in the city's law enforcement -- was overturned after 25 years.