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

Season 18 : Killer KidsRod Ferrell, who believed he was a 500-year-old vampire, learned that his friend wanted to escape her family, he knew he needed to help. He made a plan to help her run away,

Season 18 : Killer KidsSharon Carr believed that she was born to kill. She said killing turned her on. She killed at least one woman and attempted to kill classmate before finally being caught.Fo

Season 18 : Killer KidsWhen Melissa Walbridge and Meghan O'Rourke decided to cut through the woods on their way home from school, they believed they would be safe in their small Vermont town. That'

Season 18 : Killer KidsRichard Keith never explained why he lured 3-year-old Jamie Campbell into the woods and killed him, he just did.For more stories of the worst people on earth, visit our You

Season 18 : Killer KidsAlec Kreider had an uncontrollable urge to kill, so when little things his best friend did started to annoy him, he decided to put an end to it. Permanently.For more storie

Season 18 : Killer KidsAnn Maguire had been teaching at Corpus Christi Catholic College for 40 years and was planning to retire in 2014. Over the decades, she had become a beloved teacher by all of