Building Cameras Catch Philly Killing On TapePOSTED: 8:29 am EDT May 17, 2005 UPDATED: 2:46 pm EDT May 19, 2005 PHILADELPHIA -- Police in Philadelphia want to know who the person was caught on camera shooting a woman in the side of the head at a bus stop. Officers Thursday were handing out a police sketch (pictured, left) of a man who they believe rode on the same bus with the woman. They described him as a "person of interest" and said they hope he might have seen something that will help them identify the killer of Patricia McDermott, 48....