In the end it was one of the oldest mistakes in the fugitive’s handbook that apparently did for Ayman al-Zawahiri, the top al-Qaida leader killed, according to US intelligence, by a drone strike on Sunday morning: he developed a habit.
The co-planner of the 9/11 attacks on New York and Washington in 2001 had acquired a taste for sitting out on the balcony of his safe house in Sherpur, a well-to-do diplomatic enclave of Kabul. He grew especially fond of stepping out on to the balcony after morning prayers, so that he could watch the sun rise over the Afghan capital.
