10 Awful Serial Killer Teams
Paul and Karla met in 1987, and married in 1991. Six months before their wedding, Karla decided to present her sister’s virginity to Paul as a “present.” She knew Paul was upset she hadn’t been a virgin when they met, so on Christmas Eve, 1990, she used a combination of alcohol and halothane to render her 15 year-old sister, Tammy, unconscious. Paul and Karla then proceeded to videotape themselves raping the young girl....