48 Hours

Chilling new details about alleged killer Rex Heuermann.

New information about the case against Bryan Kohberger for the Nov. 13, 2022, deaths of four University of Idaho students.

A "Family Feud" contestant convicted of murdering his estranged wife speaks out for the first time.

A crime scene investigator for the Minneapolis Police Department who was gunned down in broad daylight and left for dead in a parking lot tells her story.

A woman is charged with her stepfather's murder when he is found dead soon after she discovered explicit photos of herself on his computer.

The murders of two young Phoenix, Ariz., women killed 10 months apart in 1992 and 1993 go unsolved for more than two decades until new technology allows police to track a person of interest in an unusual way.

A murderer disguised as a clown kills a beloved Florida mother.

When a high school student on her way to drill team practice is found dead on campus, it takes nearly 30 years to catch her killer.

A new independent investigation into the 2015 death of 19-year-old gay man Stephen Smith, whose mother never believed that it was a hit-and-run.

When a Minnesota wife is shot and killed in her home, a 911 call and an ear witness tell the story of a burglary, but evidence at the scene points to a different killer.

When the husband of a woman who turned her assisted living business into a million-dollar company vanishes, he is charged with her murder; his unusual self-defense claim raises concern.

A nurse anesthetist's wife is found dead with a puzzling combination of drugs in her system and a pinprick mark on her right elbow crease.

A young mother's death is declared a suicide, but when her family reviews photos of the scene, they believe they see evidence of a homicide.

A Texas woman sentenced to 120 days in jail for her role in a plot to have a millionaire jeweler murdered shares her story.

When a beloved college student dies with unusual bruising, her parents go to extreme lengths to prove her death was no accident.

An inside look at the international hunt for the killer of cyclist Moriah Wilson.

After a beloved family man vanishes suddenly, a high-speed chase gives police a lead that suggests he was abducted and murdered in a revenge plot.

The roommate of Hollywood family therapist Amie Harwick shares details for the first time about how he tried to save her the night she was murdered.

A Las Vegas journalist is stabbed to death while investigating four women's claims of a toxic workplace.

A grieving widow is arrested and charged with the murder of her husband shortly after writing a children's book to help her kids deal with the loss.

After spending nearly 34 years in prison for killing their parents, Lyle and Erik Menendez await a judge's decision on whether new evidence can support their claim that they killed in self-defense and should have been convicted of manslaughter.

When a celebrity hairstylist is killed poolside, investigators look at his wife, whose alleged affair with her racquetball coach could be a motive for murder.

When Angela Craig's autopsy reveals she was poisoned, police charge her dentist husband with murder.

A woman convicted of murdering her husband discovers problems with evidence used against her at trial after nearly two decades in prison.

A woman is found guilty of conspiring with her boyfriend to murder his estranged wife; the convicted woman's sister believes she is innocent.

When a 26-year-old mother of two from Winona, Minn., goes missing, her distraught sister heads to TikTok to plead with the public to help find her.

A caregiver is accused of poisoning her friend with eye drops, but she maintains her innocence and says investigators got it wrong.

The unusual investigation into the death of 26-year-old Kristen Trickle includes a psychological autopsy.

When a respected detective becomes a suspect in the death of his wife, a crime scene analyst says gunshot residue may hold the answer.

Inside a daughter's desperate search for her mother 17 years after she disappeared, and her determination to bring her killer to justice.

When the wife of a fertility doctor is found dead, the initial investigation reveals evidence consistent with an accidental fall, but other evidence points to something more sinister.

New details in the murder trial of former ballerina Ashley Benefield, who claims her husband tried to poison her while she was pregnant and that she shot him in self-defense.

The murder of Ivy League student Blaze Bernstein, allegedly murdered because he was gay and Jewish; the trial of former high school classmate Sam Woodward.