IOWA CITY — Iowa City police are investigating a shooting death.Officers were called to the 600 block of South Governor Street at 7:54 p.m. Friday in response to a report of a shooting, according to a news release. Officers found a man dead and witnesses said three men had entered the residence, shot the victim and fled.Police said they know the identity of the shooting victim, but his name is being withheld until his family can be notified and an autopsy is complete.