A former US Marine was beginning the first day of a life sentence on Friday.
David Bieber had denied murdering the traffic Pc
At Newcastle Crown Court Mr Justice Moses told bodybuilder David Bieber, 38, that he must spend the rest of his life in prison.
The former US Marine was convicted on Thursday of the murder of Pc Ian Broadhurst, who was shot at point blank range in Leeds on Boxing Day 2003.
He was also given life sentences for the attempted murders of two of Pc Broadhurst's colleagues.
The bodybuilder was given concurrent life sentences with a minimum of eight years for the attempted murders of Pcs Roper and Banks.
'Cool and detached'
Bieber had fled to the UK after he was wanted in the US for conspiracy to commit murder. He started a new life using the alias Nathan Coleman.
Jailing him, Justice Moses told Bieber he had shown "no remorse or understanding of the brutality" of his crime.
The judge said Bieber had continued to maintain a cool and detached approach when attempting to explain the evidence against him.
He told the court the aggravating feature in the case was that Bieber did not need to shoot Pc Broadhurst through the head.
An audio recording of the shooting was played to the jury during the trial.
Pc Ian Broadhurst was heard to plead for his life before being shot in the head.
Justice Moses said: "You had already disabled him and he was defenceless.
"You could have escaped then, but you chose to wait and fire a second shot at point-blank
"It must be acknowledged that he might have died as a result of your first shot, but you made certain of his death."
The judge said that action meant Bieber could not be released early from jail and must spend his life in prison.
He has become one of only 25 people to be given "whole" life sentences in England and Wales. Others have included Harold Shipman, Myra Hindley and Jeremy Bamber.
Bieber had claimed a friend of his, a fellow US national from Florida, was the gunman.
But the former marine, who had trained with handguns and assault rifles for a year before being discharged, refused to name the man in court.