Detectives are continuing their hunt for a nightclub doorman wanted in connection with the
murder of Pc Ian Broadhurst.
Nathan Coleman is thought to come from Florida
Nathan Wayne Coleman, 37, was born in the United States but has been in the UK for about four years and
worked as a bouncer.
His name was revealed after police raided a flat in Leeds near where the
gunman's getaway car, a green Rover 600, was found.
Mr Broadhurst, 34, a married man of Cookridge, Leeds, was shot dead after
officers spotted a stolen car parked on the pavement in the city's Dib Lane.
His partner Pc Neil Roper, 45, of Wakefield, was shot twice and is recovering in hospital. A third officer, Pc James Banks, 26, escaped injury when a bullet
ricocheted off his radio belt and the buckle on his baton.
Detective Superintendent Chris Gregg said that late on Sunday evening detectives went to the flat where Mr Coleman lived in Springwood Road in Oakwood, Leeds.
Mr Coleman was last seen at his flat at 1800 GMT on Friday - two hours after the shootings.
Mr Gregg told a news conference: "We need to talk to this man as a matter of urgency."
Mr Coleman is divorced and his former wife, from North Yorkshire, still lives in the area.
Detectives said he told her he came from Florida.
Pc Ian Broadhurst, 34, was shot dead on Friday in Dib Lane in Oakwood while arresting a suspect in a stolen car.
Detectives are still waiting by the hospital bedside of his partner, Pc Neil Roper, 45, who was also injured in the attack.
Officers spoke to Mr Roper, of Wakefield, briefly on Saturday night.
The injured officer was said to be deeply distressed over the death of his colleague.
Ian Broadhurst was married and lived in Cookridge, Leeds
A third officer, Pc James Banks, 26, who had been called to assist the traffic officers, escaped injury when a bullet damaged his radio and baton harness.
Father-of-two Mr Roper has already said the killer was sitting in the driver's seat of the stolen car reading the Racing Post when he was first approached.
The shooting happened after the two officers approached a stolen BMW car parked in Dib Lane, close to a William Hill bookmakers.
An audio tape from the police car reveals that the man was asked where he was born and answered: "Canada".
The gunman escaped in a green Rover 600 car after threatening the owners.
On Monday, police sealed off the area around Mr Coleman's flat in Springwood Road which is near where the green Rover was found abandoned.
Armed officers were seen at the scene.
Detectives said Mr Coleman was living on his own in the flat which is in a block of 16 homes.
Rewards totalling £35,000 have been offered to find Mr Broadhurst's killer.