An FBI informant infiltrated the Islamic Center of Irvine, where he says he spied on dozens of worshipers in a quest for potential terrorists. Monteilh's mission as an informant backfired. Muslims were so alarmed by his talk of violent jihad that they obtained a restraining order against him.

He had helped build a terrorism-related case against a mosque member, but that also collapsed.

A key Republican Congressman from New York has a new definition for the word "terrorism" that doesn't require the use of violence or even fear or even logical sense.

Whoopi Goldberg, Joy Behar, Christina Hasselback exclaim We Wont Fly founders as Terrorists. Whoopi claims MAYBE her characterization is a little over the top.

According to a hand-out distributed by the Bureau of Justice Assistance, a component of the Justice Department, “extremist literature distributed at the mall or posted on public bulletin boards” is suspicious and a potential indicator of terrorist activities.

A man arrested for allegedly placing a backpack he thought contained a bomb near Chicago's Wrigley Field got the fake explosive from an FBI undercover agent, authorities say - a tactic that has been used in other U.S. terrorism cases in recent years.