Gerard Schaefer had a troubled childhood and struggled socially as a teenager. He engaged in disturbing behaviors like masochism, voyeurism, and killing animals. As a police officer, he abducted and murdered at least two young women. He was found guilty and sentenced to life in prison. The document describes Schaefer's dysfunctional upbringing, deviant interests as a youth, career as a serial killer that led to his arrest, and classification as a mission-oriented serial killer.