Lawrence Sigmund Bittaker and Roy Lewis Norris, infamously referred to as the Tool Box Killers, were two American serial killers and rapists responsible for the abduction, sexual assault, torture, and murder of five teenage girls in Southern California during a five-month span in 1979.

FBI Special Agent John Edward Douglas characterized Bittaker as the most unsettling individual for whom he has ever developed a criminal profile. Bittaker was sentenced to death for his involvement in the five murders on March 24, 1981, but he passed away from natural causes while on death row at San Quentin State Prison in December 2019.

Norris entered into a plea agreement in which he consented to testify against Bittaker, resulting in a life sentence on May 7, 1980, with the possibility of parole after serving thirty years. He also died of natural causes at the California Medical Facility in February 2020.

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