The expression derives from the 1979 trial of Dan White, a former San Francisco, California (U.S.) Supervisor who assassinated Mayor George Moscone and Supervisor Harvey Milk on November 27, 1978. At the trial, noted psychiatrist Martin Blinder testified that White had been depressed at the time of the crime, and pointed to several factors indicating White's depression: He had quit his job, he shunned his wife, and become slovenly in appearance. Normally a fitness fanatic and health food advocate, White had also been consuming Twinkies and Coca-Cola. As an incidental note, Blinder mentioned theories that elements of diet could worsen existing mood swings. Another psychiatrist, George Solomon, testified that White had "exploded" and was "sort of on automatic pilot" at the time of the killin