Today, a gunman was sentenced to double life imprisonment in Old Bailey for killing two men with one bullet.
Ian Davis, 33, was jailed for double murder for at least 19 years and 3 months.
Hackney's New Year's party.
Brixton's Davis shot at DJ Ashley Kenton's neck and the same bullet went through the partition wall and killed Wayne Mowatt in the next room.
Six years ago, he was convicted at his first trial, but his conviction was revoked after he appealed to the House of Lords.
After four trials, Davis was finally found guilty for the second time with cheers from friends of the victims in the public gallery.
The House of Lords ruled that his initial trial was unfair because some prosecution witnesses were allowed to testify anonymously.
The trial judge agreed to leave witnesses anonymous because they said they would be worried about their lives if their true identity was known.
But this is against.
They stated that it was a long-standing principle that the defendant was entitled to face and challenge his Plaintiff in court.
The "potentially catastrophic ruling" sparked outrage among the police, who feared it could lead to the release of 40 of the country's most serious criminals.
The government acted quickly to overturn the decision and to protect vulnerable witnesses through 2008 Criminal Evidence (
When the prosecutor falsely disclosed the name of the anonymous witness to the defense, and then Davis's new counsel inadvertently left the same name, the further trial ceased.
The trial judge, Mr. Ouseley, told the court that the first error should not have occurred, but "because of the official error ".
"The new trial has begun, but the jury is deadlocked.
The fifth hearing ended today with a guilty verdict. By this time -
2002 eight years after the shooting
One of the four key witnesses has died, two have decided to testify under their own name, and the fourth, whose name was previously wrongly disclosed, was known by the pseudonym Cecil Blackburn.
The judge told Davis that his "ruthless arrogance" destroyed the lives of Mr. Kenton and Mr. Mowatt's family.
The court heard that when Davis tried to stop people from leaving the party and clashed with Mr. DJ Creation on, 22, the trouble had already started and he pushed him away after being thrown a punch
It is alleged that a gun was handed to Davis, who used a bullet to cross Mr Kenton's neck and hit Mr Mowatt, 26, in the head.
Davis left the United States with a fake passport and was arrested by U. S. immigration authorities at Long Beach Airport in California on August 2003 and returned to the United Kingdom.