** EDS NOTE: GRAPHIC CONTENT ** An Iraqi policeman stands by the bodies of 13 blindfolded and bound men who were found shot multiple times in the head execution style in Baghdad's Sadr City in Iraq on Sunday, May 15, 2005. A police official said the 13 slain men, most appearing to be aged in their early 20s, were discovered early Sunday wearing civilian clothes and lying in a shallow grave in a vacant lot in eastern Baghdad's impoverished Sadr City. (AP Photo/Hadi Mizban)