report said. wayne williams cannot be excluded as the source of those two hairs. she listened. then this -- >> without a shadow of a doubt, i really in my heart believe that wayne williams killed patrick baltazar. ♪ ♪ next, trained to kill. >> were you trained in unarmed combat techniques? could you grab somebody bigger than yourself, put them in a choke hold. >> i'm sure there are other things in unarmed combat besides putting somebody in a choke hold.