Roy Fontaine, also known as Archie Hall, was a butler to Britain's aristocracy, and a rumoured lover of Prince Charles' great-uncle, Lord Mountbatten. He was also a serial killer whose modus operandi was to gain the confidence of his wealthy employers before taking their jewels and then their lives. The Butler Did It is the dark and strange story of an unusual friendship between screenwriter Paul Pender and Roy Fontaine, who considered Pender an ally and asked him to write his life story. In a chilling twist, Fontaine then threatened to kill Paul. In The Butler Did It, Paul Pender reveals the secrets of Roy Fontaine's double life and describes his often terrifying, yet blackly humorous, encounters with a convicted serial killer.