Letter from al Qaeda in Iraq militant found after he was slain , U.S. says . Maj. The letter is dated July 10 and signed by Abu Musab al-Zarqawi's deputy, Ayman al-Zawahiri. Document also cautions vigilance against infiltrators .
Letter from al Qaeda in Iraq militant found after he was slain , U.S. says . The letter is dated July 10 and signed by Abu Musab al-Zarqawi's deputy, Ayman al-Zawahiri. Document also cautions vigilance against infiltrators .