A police officer is pictured investigating the site of yesterday's car bomb attack at the U.S. military headquarters in Heidelberg, West Germany, May 25, 1972. Yesterday, shortly after six p.m. two bombs exploded in two cars parked here at the parking lot, killing three U.S. Army soldiers and several were injured. The debris in front are the remains of one of the cars that exploded also tearing the hole seen in the brick wall of the building. (AP Photo/Kurt Strumpf)