Christina Hillsberg joined the CIA as an eager 21-year-old in 2006. She spent more than a decade there: traveling undercover to CIA stations across the globe, meeting with clandestine sources ...

Secret information hidden in this toilet was collected periodically by Harry Houghton. In 1961 he was sentenced to 15 years ...

Melita Norwood was the KGB's longest-serving female agent in Britain, until being exposed in 1992 by legendary defector ...

Brisbane grandmother Sue-Ellen Doherty, grew up in a family of spies. Her parents, Dudley and Joan, worked for ASIO.