48 Hours Season 37

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.

n April 2018, in the Florida Gulf Coast town of Eastpoint, a killer had struck. Aileen Seiden's beaten body was found dumped near a highway. The next day, a bloody motel room was discovered nearby. The back-to-back scenes prompted investigators to see if the two were connected.

Police were called to the Minnesota apartment of 32-year-old nurse Alex Pennig in December 2022. Her friend, Matthew Ecker, told first responders that Pennig had shot herself in the head. Officers arrived to find Pennig lying on her back in the bathroom. However, officers noted unusual findings, including the position Alex was found in. The gun was found with her left hand on it, but Alex was right-handed. So, was it a tragic, self-inflicted act, or something more sinister?

The 2021 incident in Farmersville, Ill., began like any other date night. Smith and Reeves met online and decided to go on their first date the night before Thanksgiving. But their evening together ended in horror, when an intruder entered Smith's home sometime after 1:00 AM. Reeves was shot and killed, while Smith, who was shot in the head, barely survived.

In 1995, Catherine Edwards was found murdered in her Beaumont Texas, home – an act that sent shockwaves through the community. The investigation went cold for years, leaving friends and family without answers. However, recent advances in forensic science and tireless work by investigators revealed a startling twist.

A toxic couple orchestrates an elaborate plan to kill a mother.

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 anaesthetist'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 jeweller 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, and the trial of former high school classmate Sam Woodward.