TV Guide Investigation Discovery Friday

A reclusive mother goes missing in 2019. When her teenage daughter and the police go looking for answers, they are gaslit at every turn.

A shared cheesecake leaves a woman near death; as detectives link her case to another poisoning, they uncover a fugitive using charm & a rare sedative to rob.

Tara Correa-McMullen rose to star alongside some of Hollywood's biggest stars, but a romance with the wrong person takes her out of the spotlight forever.

As young women in Northern California flock to an underground car scene called a sideshow, things go from fast and furious to deadly for a 19-year-old girl.

When a man named Cody Johnson disappears only days after his wedding, his wife reports that she received an email claiming that he died in a hiking accident.

Detectives are puzzled when a woman isn't reported missing until 10 weeks later, but an investigation leads to surprising details about her disappearance.

Lt. Joe Kenda reopens the investigation of a young mother who was found frozen solid in a deserted cemetery and recognizes the mark of a serial killer.

When a woman in red drops a dying man off at a firehouse and then vanishes, police soon learn the victim is a contractor with a troubled personal life.

When a woman's frozen body is found high in in the mountains above Colorado Springs, investigators must determine who's responsible for her death.

A father is found shot in front of his home and Kenda uncovers a motive; officers face a life-or-death decision when confronted by a knife-wielding psychopath.

When a young mother strangled to death inside her apartment, Postiglione faces the daunting task of interviewing the victim's 4-year-old daughter as a witness.

A woman is found murdered inside a Nashville motel room, and the investigation escalates after Det. Postiglione discovers a similar crime scene in Cincinnati.

When the remains of a young mother are discovered in a remote area outside Nashville, Detective Postiglione recalls a crucial detail from the wooded scene.

Detective Postiglione recalls the murder of Tennessee State University professor Gul Telwar, on March 17, 1990, and the puzzling clues at the crime scene.

In St. Paul, Minn., a 30-year-old woman's sudden disappearance leads to a three-month investigation, which results in devastation.

On a snowy morning in Wisconsin, an 18-year-old mother is found brutally murdered with her three-month old son left as her only witness.

When seven are left dead on the most violent night in Anchorage history, the local police department is overwhelmed by the string of shootings.

Investigators are baffled by the animal instincts of a cross-country murderer whose crime sprees suddenly go dormant during the winter.

Police investigate to determine if the shooting death of a hunter in Missouri was due to a hunting accident or a deliberate homicide.

An 11-year-old girl disappears during a winter morning in St. Louis, but her body is discovered brutally murdered along an icy river bank days later.

After a cattle rancher turns up dead in his trailer home, the minuscule town of Driscoll, N.D., points fingers at everyone in the small population.

When Native women vanish in Alaska, the Anchorage community suspects the worst. Police are led to the serial killer preying on the city's most vulnerable.

Police must track down a killer a year after they let him get away. In a race against time to arrest him before he acts again, they find him.

At trial, justice only reveals new horrors, and a woman decides to interview the killer to ask for answers. One family takes matters into their own hands.

When Native women vanish in Alaska, the Anchorage community suspects the worst. Police are led to the serial killer preying on the city's most vulnerable.

Police must track down a killer a year after they let him get away. In a race against time to arrest him before he acts again, they find him.

At trial, justice only reveals new horrors, and a woman decides to interview the killer to ask for answers. One family takes matters into their own hands.

20-year-old Christina Ross goes missing in Neenah, Wisconsin, and an unlikely resident comes forward with information that leads detectives to her love life.

24-year-old Crystal Houston was found dead in Socorro, N.M., just 14 months after her older sister, Stephanie, who was killed in a suspicious accident.

When a 21-year-old woman vanishes in Clewiston, Fla., the town immediately looks for her, but when her body is found murdered, every resident is left in shock.