Evidence points to terrorists hiding in Iran

Intelligence mounts on al-Qaida suspects sheltered by Tehran
Mounting evidence gathered over several years has U.S. and foreign intelligence agencies increasingly convinced that leading terror suspects have been living in Iran.
Their existence in the Islamic republic poses an ongoing problem to top Bush administration officials, who have warned Middle Eastern countries against providing shelter or other aid to terrorists.
The evidence includes communications by a fugitive mastermind of the 1996 Khobar Towers bombing and the capture of a Saudi militant who appeared in a video in which Osama bin Laden confirmed he ordered the Sept. 11 attacks, according to U.S. and foreign officials...