Did you read the actual police report - it is quite enlightening. The officer was leaving, Gates followed him outside screaming. Couple of points - Gates didn't own the house, it was Harvard rental property. He showed them a Harvard ID, not something that had his address. So, they called for Harvard PD to respond to verify that he had a right to be there. The door was damaged (both from Gates forcing it and, apparently, from a prior break-in.). They have an occupant, and since the report indicated