The controversial whistle-blower describes his early nonconformity and teenage hacking, his career in the CIA and NSA, and how he managed to smuggle out top-secret documents regarding the extent of NSA surveillance.

"While working as an intelligence analyst in Iraq for the United States Army in 2010, Chelsea Manning disclosed more than seven hundred thousand classified military and diplomatic records that she had smuggled out of the country on the memory card of her digital camera. In 2011 she was charged with twenty-two counts related to the unauthorized possession and distribution of classified military records, and in 2013 she was sentenced to thirty-five...