Mark Mazzetti is Washington Investigations Editor for The New York Times, a job he assumed after covering national security from The Times’s Washington bureau for 10 years. In 2009, he shared a Pulitzer Prize for reporting on the intensifying violence in Pakistan and Afghanistan and Washington’s response. The previous year, he was a Pulitzer finalist for revelations about the C.I.A.’s detention and interrogation program. He is the author of The Way of the Knife: the C.I.A., a Secret Army, and a War at the Ends of the Earth, a New York Times best-selling account of the secret wars waged by the C.I.A. and Pentagon since the September 11 attacks. He is a two-time recipient of the George Polk award.