if it was the responsi9bility of the local police, and it had been one of their guys, then they should have told the SS that they were putting a guy on the roof and not to shoot- they would have described him too being that the shooter was not dressed in official clothing but civilian clothes
I imagine though the SS will blame it on the local police- and perhaps rightfully so- but the fact is that there was a huge breakdown of communication between the 2 units-
My understanding is that security on rooftops are NEVER undercover for the very reason that any other law enforcement needs to be able to quickly identify who is LE and who is not.