It was the sounds that had drawn him toward the alley. Violent and angry, full of fire and destruction. Sam knew how to pick out a fight when he heard from, so the younger Winchester didn't even hesitate to haul ass into the darkened area, nearly slipping on a pool of blood by the time he'd ventured halfway in.
Lifting his Beretta 92fs out in front of him, Sam clutched at the semi-automatic and slowly crept forward, his green eyes raking over the scene -- hey that wasn't a human head -- and finally falling upon the person responsible for it all. He lowered the weapon, but only just.