This undated file photo provided by the Federal Bureau of Investigation shows a backpack found along the route of a Martin Luther King Jr. Day parade Monday, Jan. 17, 2010 in Spokane, Wash. The bag contained a sophisticated explosive that had a remote detonator and the ability to cause many casualties, an official familiar with the case said. More than a month after a sophisticated bomb was found along the route of the Martin Luther King Jr. Day parade here, the identity of the bomber remains a mystery. The FBI is not releasing new information. <!-- MLK bomb -->
Section:Photo
