Lawrence Sigmund Bittaker September 27, — December 13, and Roy Lewis Norris February 5, — February 24, , also known as the Tool Box Killers , were two American serial killers and rapists who kidnapped , raped, tortured and killed five teenage girls in Southern California over a period of five months in Douglas as the most disturbing individual for whom he has ever created a criminal profile , [4] : Bittaker was sentenced to death for five murders on March 24, , but died of natural causes while incarcerated on death row at San Quentin State Prison in December Norris accepted a plea bargain whereby he agreed to testify against Bittaker and was sentenced to life imprisonment on May 7, , with possibility of parole after serving 30 years. He died of natural causes at the California Medical Facility in February