Two of Dr. Richard Warn's children allegedly threatened him.

Their murderer came forward after their 1975 abduction and slaying.

Richard Cottingham’s latest one closed a 60-year-old cold case.

Emile Cilliers attempted to kill the mother of two in April 2015.

A 2025 apparent murder-suicide raised questions about AI's culpability.

John Hinckley, Jr. had the book in his hotel room when he tried to assassinate President Ronald Reagan 45 years ago.

A self-taught codebreaker believes he’s solved two of the most vexing cold cases of the 20th century.

The notorious couple's life of crime has been romanticized.

The cult leader ended up in a maximum-security prison.

Justin Burns murdered the grad student in November 2010.

Experts reflect on how internet activity affects a case's outcome.

Platforms like Meet-An-Inmate and LoveAPrisoner foster closeness.

She admitted to lying to federal agents in 2007.

Many don't know that the much-beloved rapper was once accused of a gang-related killing.

Nicole Booth was “unrecognizable” weeks before she was murdered by boyfriend Thomas Graley, witnesses said.

The 29-year-old Indiana woman went on the run for four months.

Murders that appear arbitrary have a psychological explanation.

How the mafioso formed a unique bond with an FBI agent.

A wild night of meth and group sex turned deadly for one man.

The heiress's abduction still provokes debate more than five decades later.