Ex-CIA Officer Accused of Spying for China

The CIA arrests a former intelligence officer, Jerry Chun Shing Lee, suspected of betraying many US informants in China. It's one of the worst intelligence breaches in many years.

Also in the programme: North Korea's cheerleaders and the Bayeux tapestry.

Image: The lobby of the CIA Headquarters Building is pictured in Langley, Virginia, U.S. Credit: REUTERS/Larry Downing