NEW YORK AP – Casting a wide net in a neighborhood where high-profile raids prompted nationwide terror warnings, investigators searched for anyone who might have been behind the alleged terror plot beyond an airport shuttle driver and two others, authorities said.

The driver, Najibullah Zazi, his father and New York City imam Ahmad Wais Afzali all were scheduled to be in court for detention hearings later Thursday in Denver and New York. Authorities say they found bomb-making instructions on a hard drive on Zazi’s laptop computer but still were unsure of the specific target or scope of a possible terrorist attack.