The case of Joann Rogers and her two teenage daughters, murdered in Florida back in 1989. Oba Chandler was convicted of the crimes and is currently sitting on Florida's death row.
Tracy Kirkpatrick was a Maryland teenager who had a part-time job at a woman's clothing store. On a night she was assigned to close the shop, she was found 由 a police officer, brutally stabbed to death in the storeroom.
Three young adults who lived on a Sioux reservation in South Dakota had a car wreck one night. One survived, while the other two disappeared and were not found at the scene. One of the strangest cases Unsolved Mysteries ever aired.