31 year-old Gareth Williams was, by all accounts, an incredibly private person who disliked office small talk and did his best to avoid social events. In 2001, Williams went to work for the British intelligence agency known as the Government Communications Headquarters, or GCHQ. Nine years later, Gareth Williams would become the focus of an extraordinary mystery. His intensely private life became very public when the government agent was found dead inside a padlocked duffle bag. Learn more about your ad choices. Visit podcastchoices.com/adchoices