Oxygen True Crime

After moving to a quiet seaside town in Maine, a family experiences a night shattered by a barrage of gunfire.

When Tess inserts herself into Jake's investigation to find the identity of a dead John Doe, she confronts conflicting emotions - fearing for her brother Lucas' life while driven to do the thing she loves most: solve the case.

Jake encourages Tess to talk to Superintendent Bennett about getting her old job back, but her hopes are cut short by his offer to join the Metro PD only to ride a desk; a woman killed in her delivery van allows Tess to bring justice to a victim.

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

Police struggle to identify the body of a woman found floating in the Indian River; with only a piece of nautical rope, a strip of duct tape and some plastic bags to go on, they use every forensic tool they have to catch her killer.

Sabrina Zunich tells the story behind her foster mother's murder, describes the secrets that led to it, details why she snapped, and discusses how she feels about it now.

Serving a life sentence for a murder she claims she didn't commit, Teresa Kotomski talks on camera for the first time, sharing the intimate secrets of her rocky marriage and detailing what she now alleges caused her husband's painful poisoning death.

When Tess inserts herself into Jake's investigation to find the identity of a dead John Doe, she confronts conflicting emotions - fearing for her brother Lucas' life while driven to do the thing she loves most: solve the case.

Jake encourages Tess to talk to Superintendent Bennett about getting her old job back, but her hopes are cut short by his offer to join the Metro PD only to ride a desk; a woman killed in her delivery van allows Tess to bring justice to a victim.

From tropical Hawaii to the frigid waters of Lake Ontario, experts reveal the clues nature leaves behind on a human corpse.

Sophisticated crime fighters map the psychological and physical terrain of multiple murderers.

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

Using technology to solve crime.

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

In Carmel Canyon, Calif., wealthy neighbors get into disputes over everything from shared roads and bridges to the upkeep of their respective properties until anger boils over and the ongoing feud is resolved with fatal gunfire.

Using technology to solve crime.

Enmity, treachery and gunfire ensue when a man rejects the romantic advances of his next door neighbor.

In Carmel Canyon, Calif., wealthy neighbors get into disputes over everything from shared roads and bridges to the upkeep of their respective properties until anger boils over and the ongoing feud is resolved with fatal gunfire.

Using technology to solve crime.

The peaceful life of a retired North Carolina couple is shattered when a husband's body is found in his own garage, leaving investigators to sort out fact from fiction with the help of his wife.

Enmity, treachery and gunfire ensue when a man rejects the romantic advances of his next door neighbor.

Using technology to solve crime.

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

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

The peaceful life of a retired North Carolina couple is shattered when a husband's body is found in his own garage, leaving investigators to sort out fact from fiction with the help of his wife.

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

Jennifer Wendorf comes home to find her parents brutally murdered and sister missing; searching for answers, investigators discover a complicated web tracing back to a cult of self-proclaimed vampires.

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

As Pennsylvania police investigate the gruesome murder of a grandmother in her own home, detectives sort through a web of lies and nefarious activities before ultimately going toe to toe with a cold-blooded killer.

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

The peaceful life of a retired North Carolina couple is shattered when a husband's body is found in his own garage, leaving investigators to sort out fact from fiction with the help of his wife.

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

Jennifer Wendorf comes home to find her parents brutally murdered and sister missing; searching for answers, investigators discover a complicated web tracing back to a cult of self-proclaimed vampires.

Murder weapons often hold several critical forensic clues about the crime.

After a bizarre account of suspected false identity is reported, authorities uncover a long history of an evasive criminal and launch a nationwide hunt to catch a killer who uses Southern charm as a weapon of deception.

When a man moves to Canyon Country, Calif., he finds himself embroiled in a bizarre and increasingly acrimonious 8-year feud with a neighbor that terminates with blasts from a shotgun.

Murder weapons often hold several critical forensic clues about the crime.

A family moves into a Minnesota lake house, then a dispute with a neighbor over water access escalates until it leads to a bloody resolution.

When a man moves to Canyon Country, Calif., he finds himself embroiled in a bizarre and increasingly acrimonious 8-year feud with a neighbor that terminates with blasts from a shotgun.

Murder weapons often hold several critical forensic clues about the crime.

After a hardworking mother is trapped and killed in a California house fire, investigators sift through multiple theories to figure out who could have ignited the deadly blaze.

A family moves into a Minnesota lake house, then a dispute with a neighbor over water access escalates until it leads to a bloody resolution.

Murder weapons often hold several critical forensic clues about the crime.

When a young mother disappears after leaving her infant in the care of her local pastor and his wife, Florida detectives search for her for five years, uncovering a web of secrets and lies.

As Pennsylvania police investigate the gruesome murder of a grandmother in her own home, detectives sort through a web of lies and nefarious activities before ultimately going toe to toe with a cold-blooded killer.

After a bizarre account of suspected false identity is reported, authorities uncover a long history of an evasive criminal and launch a nationwide hunt to catch a killer who uses Southern charm as a weapon of deception.

After a hardworking mother is trapped and killed in a California house fire, investigators sift through multiple theories to figure out who could have ignited the deadly blaze.

Investigators from three separate counties along the Floribama border team up with the daughter of a missing man to uncover how the fireworks at a Fourth of July celebration ended in murder.

When a tech mogul is found bludgeoned to death in his lavish Roswell bedroom, detectives quickly compile a long list of potential suspects; police ultimately zero in on one scorned lover who wouldn't take no for an answer.

The execution-style murder of a Fountain Valley wife and mother shocks the OC and leaves police with no leads on motive; the community bands together to find justice until a similar shooting reveals the truth behind a murder plot gone awry.

When a young mother disappears after leaving her infant in the care of her local pastor and his wife, Florida detectives search for her for five years, uncovering a web of secrets and lies.

As Pennsylvania police investigate the gruesome murder of a grandmother in her own home, detectives sort through a web of lies and nefarious activities before ultimately going toe to toe with a cold-blooded killer.

After a bizarre account of suspected false identity is reported, authorities uncover a long history of an evasive criminal and launch a nationwide hunt to catch a killer who uses Southern charm as a weapon of deception.

After a hardworking mother is trapped and killed in a California house fire, investigators sift through multiple theories to figure out who could have ignited the deadly blaze.

Investigators from three separate counties along the Floribama border team up with the daughter of a missing man to uncover how the fireworks at a Fourth of July celebration ended in murder.

When a tech mogul is found bludgeoned to death in his lavish Roswell bedroom, detectives quickly compile a long list of potential suspects; police ultimately zero in on one scorned lover who wouldn't take no for an answer.

The execution-style murder of a Fountain Valley wife and mother shocks the OC and leaves police with no leads on motive; the community bands together to find justice until a similar shooting reveals the truth behind a murder plot gone awry.

Killers attempt to use the elements to cover their crimes.

A family man is gunned down on the side of the road in a small town in Texas, and detectives unearth a perpetrator who's hiding more than one shocking skeleton in the closet.

In Elyria, Ohio, two neighboring families live in harmony for decades, then their friendly coexistence devolves into acrimony, accusations and violence.

Killers attempt to use the elements to cover their crimes.

When family members fall ill from deadly poison found in their soda, investigators turn their attention to the quiet couple who live next door.

In Elyria, Ohio, two neighboring families live in harmony for decades, then their friendly coexistence devolves into acrimony, accusations and violence.

Killers attempt to use the elements to cover their crimes.

Small town McNeil, Ark., is grief-stricken after a retired sheriff is suddenly shot to death; when the case appears to be closed, a killer strikes again, and another local hero is struck down.

When family members fall ill from deadly poison found in their soda, investigators turn their attention to the quiet couple who live next door.

Killers attempt to use the elements to cover their crimes.

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

When a beloved grandfather in Federal Heights, Colo., vanishes without a trace, the ensuing investigation exposes disturbing secrets that were lurking behind closed doors as police body cam footage reveals the deadly truth.

A family man is gunned down on the side of the road in a small town in Texas, and detectives unearth a perpetrator who's hiding more than one shocking skeleton in the closet.

Small town McNeil, Ark., is grief-stricken after a retired sheriff is suddenly shot to death; when the case appears to be closed, a killer strikes again, and another local hero is struck down.

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

A young father is found with a fatal gunshot wound; the authorities say it's suicide, but his family knows he would never take his own life; a mother and daughter fight for 40 years to reveal the truth with the help of a dedicated police chief.

A grieving husband claims his wife accidentally fell to her death but investigators become suspicious after learning his first wife also died in a freak accident.

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

When a beloved grandfather in Federal Heights, Colo., vanishes without a trace, the ensuing investigation exposes disturbing secrets that were lurking behind closed doors as police body cam footage reveals the deadly truth.

A family man is gunned down on the side of the road in a small town in Texas, and detectives unearth a perpetrator who's hiding more than one shocking skeleton in the closet.

Small town McNeil, Ark., is grief-stricken after a retired sheriff is suddenly shot to death; when the case appears to be closed, a killer strikes again, and another local hero is struck down.

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

A young father is found with a fatal gunshot wound; the authorities say it's suicide, but his family knows he would never take his own life; a mother and daughter fight for 40 years to reveal the truth with the help of a dedicated police chief.

A grieving husband claims his wife accidentally fell to her death but investigators become suspicious after learning his first wife also died in a freak accident.

In fall 1991, Toronto was paralyzed by the story of a missing six-year-old girl found raped and murdered in the boiler room of her apartment building; with four suspects, CSIs turned to the brand-new science of DNA to catch the killer.

Sleepy Seadrift, Texas, is unnerved by the death of a local landscaper after evidence at the scene of an apparent hit-and-run points to a deceptive killer with a dangerous past.

A couple moves to an idyllic California beach town and hits it off with their new neighbors, then one of the wives descends into drugs and madness, terrorizing the other.

In fall 1991, Toronto was paralyzed by the story of a missing six-year-old girl found raped and murdered in the boiler room of her apartment building; with four suspects, CSIs turned to the brand-new science of DNA to catch the killer.

When neighbors stand up to a bully after his dog bites their son, a grudge he's been nursing for decades finally explodes into a frenzy of violence.

A couple moves to an idyllic California beach town and hits it off with their new neighbors, then one of the wives descends into drugs and madness, terrorizing the other.

In fall 1991, Toronto was paralyzed by the story of a missing six-year-old girl found raped and murdered in the boiler room of her apartment building; with four suspects, CSIs turned to the brand-new science of DNA to catch the killer.

The deadly beating of a young man in West Liberty, Iowa, sits unsolved for 25 years, until cold case detectives are approached by an unexpected witness.

When neighbors stand up to a bully after his dog bites their son, a grudge he's been nursing for decades finally explodes into a frenzy of violence.

In fall 1991, Toronto was paralyzed by the story of a missing six-year-old girl found raped and murdered in the boiler room of her apartment building; with four suspects, CSIs turned to the brand-new science of DNA to catch the killer.

A former marine who once was the hero for a woman in an abusive marriage may have let his desire to help go too far.

A former ladies' man has a change of heart when he falls for a pious day care worker, but when his body is found floating in a creek, detectives discover there's more to their relationship than meets the eye.

Sleepy Seadrift, Texas, is unnerved by the death of a local landscaper after evidence at the scene of an apparent hit-and-run points to a deceptive killer with a dangerous past.

The deadly beating of a young man in West Liberty, Iowa, sits unsolved for 25 years, until cold case detectives are approached by an unexpected witness.

International news.

Colleen Stan relives what it was like to be kidnapped and imprisoned in a box, and how she escaped.

A former marine who once was the hero for a woman in an abusive marriage may have let his desire to help go too far.

A former ladies' man has a change of heart when he falls for a pious day care worker, but when his body is found floating in a creek, detectives discover there's more to their relationship than meets the eye.

Sleepy Seadrift, Texas, is unnerved by the death of a local landscaper after evidence at the scene of an apparent hit-and-run points to a deceptive killer with a dangerous past.

The deadly beating of a young man in West Liberty, Iowa, sits unsolved for 25 years, until cold case detectives are approached by an unexpected witness.

International news.