Season 19 : Killer Pairs  When 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

Season 18 : Killer PairsEve Carson was a shining light in her community and it was believed that she would go on to become a great leader to create positive change in the world. That was, until she

Season 18 : Killer PairsNathan Leopold and Richard Loeb believed that their advanced intellect made them above the laws of society. They planned and executed what they thought was the perfect crime

Season 18 : Killer PairsIgor Suprunyuk and Viktor Sayenko decided that they wanted to kill people. There was no other reason outside of a desire to inflict brutal attacks on other human beings. The

Season 19 : Killer PairsHelen Golay and Olga Rutterschmidt believed that they had found a way to make easy money. Using homeless men that they believed didn't deserve to live. As it turned out, mak