security concern as pope francis prepares to visit the united xtq states. homeland security, chief said targeting the pope, has been disrupted. days next week. $r new york city and philadelphia. a chillingoditeájz message from al-qaeda to call for lone wolf west. catherine? >> the 36 mill're minute tape calls on muslims to target the west and united states with lone wolf attacks. pressure cooker bombs to kill three. and there was a attack on