U S Army Staff Sgt Frank Woode looks for a positive identification of explosives residue on an Iraqi man's hands at Hateen Market during a patrol in the Mansour district of Baghdad, Iraq, on July 31, 2007

U S Army Staff Sgt Frank Woode looks for a positive identification of explosives residue on an Iraqi man's hands at Hateen Market during a patrol in the Mansour district of Baghdad, Iraq, on July 31, 2007