Ison, Graham

Graham Ison was in the regular army before joining the Metropolitan Police. During his career in Scotland Yard s Special Branch, he was involved in several famous espionage cases and spent four years at 10 Downing Street as protection officer to the prime minister. He later guarded crowned heads and US presidents during their visits to Britain, and served as second-in-command of the Diplomatic Protection Group. He is an honorary agent of the US Army Criminal Investigation Command.