David Russell Williams (born March 7, 1963) is a convicted murderer, rapist, and former Colonel in the Canadian Forces. From July 2009 to his arrest in February 2010, he commanded CFB Trenton, a hub for air transport operations in Canada and abroad and the country's largest and busiest military airbase. Williams was also a decorated military pilot who had flown Canadian Forces VIP aircraft for dignitaries such as Queen Elizabeth II, Prince Philip, and the Governor General and Prime Minister of Canada.