Enlarge Photo

Photo by: Anonymous

This image provided by the Multnomah County (Ore.) Sheriff's Office shows Mohamed Osman Mohamud, 19, arrested and charged with attempted use of a weapon of mass destruction. Officials say he tried to detonate a vehicle bomb at Pioneer Courthouse Square during the tree-lighting ceremony on Friday, Nov. 26, 2010. They said the bomb was a dummy that FBI agents supplied him. (AP Photo/Multnomah County (Ore.) Sheriff's Office)

Happening Now