The "enhanced interrogation" that became famous in Americas Global War on Terror originated in techniques the British experimented with in a series of colonial conflicts through the 1950s and '60s and deployed in 1970s Northern Ireland.

When I was (briefly) picked up by the British military in 1969 (for taking photographs of them breaking down barricades), it was an exasperated McGuffin that came along to get me out. In fact, I met him on my way out of the swimming baths (the Major sadly and rightly having concluded I was harmless), the anarchist with a briefcase. A great man. http://www.irishresistancebooks.com/index.htm

The Guineapigs by John McGuffin