TV Guide Oxygen Tuesday

Police are called into action when a young man reports his father as missing, but what they discover leaves the entire family in shock.

A woman is found dead in an elevator and Barbara retraces the chain of evidence and she uncovers a domino effect of violence that leaves a trail of bodies.

The team examine the strange death of a pregnant mother whose skull was found in the mountains.

Investigative reports, breaking news stories, profiles of leading newsmakers and other features explore current events and topics of special interest.

Investigative reports, breaking news stories, profiles of leading newsmakers and other features explore current events and topics of special interest.

Investigative reports, breaking news stories, profiles of leading newsmakers and other features explore current events and topics of special interest.

Investigators uncover a vengeful family's 30-year-old murder plot after a dismembered and a decomposed corpse is found buried at a Seattle home.

The police delve into the past of a missing mother, who was found buried in her own backyard, to discover who could have murdered her.

Homicide detectives are called in to search for an unknown killer when a homeowner discovers a barrel with a mummified corpse inside.

A detective refuses to give up on finding the killer behind the brutal murder of an elderly woman, who was found stuffed inside her own wishing well.

A mother believes that her daughter was abducted by someone close to her, but it takes investigators two years to uncover information about her whereabouts.

Homicide investigators delve into the history behind a California home, where a corpse is discovered, and detectives find evidence of another murder.

After a beloved pastor dies in a car accident, a congregant's suicide causes a dark secret to be revealed when investigators take an interest in their death.

The justice system in Texas is turned upside down when a family suspects foul play despite authorities' claims that the wife of a former cop committed suicide.

A mother and her daughter turn to a dedicated police chief for help investigating her husband's death after authorities write it off as a suicide.

A mournful husband tells investigators that his wife fell to her death on accident, but they have their doubts as his former wife died in a freak accident, too.

Police detectives in Texas launch an investigation into the death of a fellow detective's wife, who was found with a gunshot wound.

A man is left injured in an accident off a mountain road that killed his wife, but a family is suspicious of the crash and intend to uncover the real story.

A young woman disappears while driving home from a holiday get together, and forensic investigators find evidence in the form of a shiny particle.

Law enforcement officials launch an investigation when a girl with a history of running away from home finally disappears for good.

Forensic scientists are on the trail of a serial arsonist when police find evidence that points to foul play in the rubble of a woman's burned-down apartment.

The family of a laboratory science major at the University of Illinois becomes concerned when their daughter fails to show up for her Friday classes.

Law enforcement officials investigating the case of a flight attendant who was murdered in her home are led in the wrong direction by a clue at the scene.

Authorities suspect a robber-gone-wrong when the assistant manager of a Florida steakhouse is killed while closing up the restaurant at the end of the night.

The case of a Florida woman, who was raped and murdered, went unsolved for over 18 years until recent advances in forensic technology provide new insight.

A killer attempts to get rid of the evidence by burning the body, and even though it takes several days, forensic scientists are able to identify the body.

Authorities initially believe that the murder of an Arizona surgeon was the result of a random attack, but further investigation reveals evidence of foul play.

A 12-year-old girl is the only witness to the murder of her mother, but law enforcement officials are unable to solve the crime for 12 years.

Two people are killed and two more are injured when a suburban family comes home to find someone in their home attempting a robbery.

Local authorities suspect that they are dealing with the work of a professional assassin when they discover a young couple who were killed in their home.

Law enforcement officials begin investigating the troubled private life of a woman who was found dead at a luxurious yacht club in California.

Law enforcement officials discover that a state park employee was murdered for only $2,000, but the case goes unsolved for several years.

Kelly and Steve travel to his home state to investigate the murder of a Navy veteran that was killed execution style in his lakeside home.

The team investigate the disappearance of a mother who vanished during a family vacation and find evidence that she left town alive.

Investigative reports, breaking news stories, profiles of leading newsmakers and other features explore current events and topics of special interest.

Investigative reports, breaking news stories, profiles of leading newsmakers and other features explore current events and topics of special interest.

Investigative reports, breaking news stories, profiles of leading newsmakers and other features explore current events and topics of special interest.