Exploring the dangers posed to both staff and patients, including when Lee Rigby's killer Michael Adebowale assaulted a nurse, and how Peter Sutcliffe was violently attacked three times at Broadmoor.

Exploring Broadmoor's secrets. Staff, forbidden from revealing what goes on, discuss how they were harassed by journalists eager for a scoop. Plus, details of an inquiry into Jimmy Savile.

Broadmoor's walls have held dangerous criminals and infamous escapees like The Wolfman. This episode explores those who reintegrate, like Joshua, and those, like Ronnie Kray, who never expect to leave.