Wikileaks' Julian Assange: U.S. records hide 'missing' prisoners

WikiLeaks founder Julian Assange claims recently published files show the U.S. military hide details of prisoners.

Assange was a hacker-activist in his youth, before becoming a computer programmer and then becoming internationally known for his work with WikiLeaks. He has lived in several countries and has made public appearances in many parts of the world to speak about freedom of the press, censorship, and investigative journalism. While in England on bail, Assange hosted a political talk show called The World Tomorrow, which was broadcast in 2012.He has received numerous awards and nominations, including the 2009 Amnesty International Media Award, Readers' Choice for Time magazine's 2010 Person of the Year, the 2011 Sydney Peace Foundation gold medal and the 2011 Martha Gellhorn Prize for Journalism.