Libby German, 14, and Abby Williams, 13, were killed near an Indiana hiking trail — but not before leaving behind a haunting final clue to what happened.
Cash App founder Bob Lee’s fatal stabbing in San Francisco sparked talk of a possible random robbery gone wrong, but police and his loved ones almost immediately suspected that wasn't the case.
After an elderly socialite vanished from her New York City brownstone, Sante Kimes and her son Kenny were arrested, revealing decades of crime, deception and murder.
After Gary “Big Daddy” Farris disappeared, his remains were found on his family's estate in Alpharetta, Georgia, kicking off an investigation that unveiled "greed"-motivated family rifts.