William Darrell "Bill" Lindsey (born Armstrong; March 18, 1935 – April 17, 2001), also known as Crazy Bill, was an American serial killer who murdered six prostitutes in St. Augustine, Florida, between 1988 and 1995. He was arrested shortly after he murdered a seventh prostitute in North Carolina, and, as part of a plea deal, he pleaded guilty to six of the murders and received a 30-year sentence in Florida. On April 17, 2001, he died of cancer whilst imprisoned.
