Juan David Ortiz's killing spree only came to an end after one of his victims escaped, but not before he murdered Melissa Ramirez, Claudine Anne Luera, Guiselda Cantu, and Janelle Ortiz.
Career criminal Charles Manson may have lured his followers in with love and acceptance, but he'd later turn to violence to control those in his midst.
Charles Manson lured his followers in with the promise of an idyllic life centered on free love and acceptance, before indoctrinating them and convincing some of them to kill.
Charles Manson wasn't the only one in his family to serve time behind bars. His mom, Kathleen Maddox, also spent three years in a West Virginia prison when he was a child.
Did Charles Manson believe the Beatles were sending subliminal messages through one of their hit albums or were the brutal murders of pregnant actress Sharon Tate and others really about self-preservation?
Carmela Knight's charred remains were discovered in September 2014 after a fire ravaged her home, but strange clues left behind would prove her death was no accident.
New developments related to Erik and Lyle Menendez's murder conviction have put their chances at freedom closer, and widespread backlash about the case has prompted prosecutor Pamela Bozanich to arm herself.
