Matthew Alexander is a pseudonym for the author of the book 'How to Break a Terrorist: The U.S. Interrogators Who Used Brains, Not Brutality, to Take Down the Deadliest Man in Iraq'. Alexander spent fourteen years as an officer in the U.S. Air Force. Wikipedia*
On the C-SPAN Networks:
Matthew Alexander has one video in the C-SPAN Video Library; the first appearance was a 2010 Forum.