Executed
William Bonin
William George Bonin was 49 when the State of California executed him by lethal injection at San Quentin State Prison on February 23, 1996, according to the California Department of Corrections and Rehabilitation. The department's record lists the execution as the cause of death. In his last words, reported by LADbible, he spoke to the warden about the death penalty and about how young people learn behavior from others.
Cause of death, as reported: Executed by the state
Reported by: California Department of Corrections and Rehabilitation (the agency that held him). The only account of how this person died comes from the agency that held him.