- Adm. William McRaven says as raid went overtime, he feared Pakistani forces might locate U.S. troops
- He describes how at first the U.S. used a surprising method to verify bin Laden's identity
Peter Bergen is CNN's national security analyst, a vice president at New America and a professor of practice at Arizona State University. He is the author of the new book "United States of Jihad: Investigating America's Homegrown Terrorists."
(CNN)The man who was the architect of the raid that killed Osama bin Laden in the suburbs of a Pakistani city was getting anxious.