Michael Hayden , who became director of the CIA in 2006 , notes his involvement in tracing bin Laden 's courier and the person behind the pseudonym , Ibrahim Saeed . Joby Warrick , who covered the CIA for '' The Washington Post , '' mentions Humam al-Balawi , who was a doctor who treated the number-two leader of al-Qaeda , Ayman al-Zawahiri and his videotapes from meetings with Zawahiri . Al-Balawi was later shown in his final videotape before killing himself in a suicide bombing at a CIA post in Afghanistan , killing several CIA officers , including Jennifer Matthews
suicide bombing at a CIA post in Afghanistan
Camp Chapman attack
Manhunt: The Search for Bin Laden