Season 19 : Killer Pairs  Jack Twining was a lifetime criminal who had no concern with anyone else's life. When he met Bobby Davis, together they spent their time stealing anything they could and kil

Season 19 : Killer PairsIn 1997, a pizza was ordered to an abandoned house in Franklin, New Jersey and when the delivery drivers showed up. They were shot and killed just for the thrill of it.For

Season 19 : Killer PairsIn the late 70s and early 80s, London was plagued by a series of sexual assaults near rail stations. When the assaults turned to murders, the police scrambled to find out wh

Season 19 : Killer PairsIn the late 70s and early 80s, two men in Italy decided that it was up to them to clean up society. They went on a campaign of brutal murder in order to clean the streets fr

Season 19 : Killer PairsWhen Chris Regan disappeared from Iron River in Michigan's Upper Peninsula, it wouldn't take long to learn about a love triangle and a deadly agreement made between a local

Season 19 : Killer PairsAfter Alex Garcia convinced his girlfriend, Michelle Hoover, to commit a murder, he thought he was in the clear after the authorities got an innocent man to confess to the c

Season 19 : Killer PairsThe Wat Promkunaram Temple massacre in Waddell, Arizona is the worst mass shooting in the state's history. The authorities were under immense pressure to solve the case and

Season 19 : Killer PairsOn September 22nd, 2006, 16-year-old Cassie Jo Stoddart was house-sitting at her aunt and uncle's residence in the Whispering Cliffs development in Pocatello, Idaho. She and

On a cold evening in 1985, 2-year-old Crystal Robertson was found wandering outside of a K-Mart shopping center in Spanaway, Washington. She was 10 miles from her home and her parents were nowhere to

Season 19 : Killer PairsIan Brady had become obsessed with death early on. His dark desires were hidden from everyone for many years until he met Myra Hindley. When he realized that she was in love