Watching al-Qaida chief’s ‘pattern of life’ key to his death

President Joe Biden speaks from the Blue Room Balcony of the White House Monday, Aug. 1, 2022, in Washington, as he announces that a U.S. airstrike killed al-Qaida leader Ayman al-Zawahri in Afghanistan. (Jim Watson/Pool via AP)

Watching al-Qaida chief’s ‘pattern of life’ key to his death