When The Cia Tried Its Hand At Magic

The Boston Globe writes When the CIA tried its hand at magic "The CIA hired [magician John] Mulholland to explain techniques of sleight-of-hand and surreptitious signaling so that agents could use them in the field. His text, which was originally supposed to have been destroyed, has now been recovered, declassified, and reprinted as ‘The Official CIA Manual of Trickery and Deception.’ "

The included slideshow is interesting.