Usman Khan murdered two people and injured at least three more inthe attack on London Bridgeon Friday. But he was not unknown to police.
In 2012, Khanbecame a convicted terroristfor his role in the Stock Exchange plot, a planned scheme for a Christmas bomb attack on the London Stock Exchange, the American embassy and the home of Boris Johnson, who was then the Mayor of London.
At the time ofhis sentencing, the judge warned that he was a “serious jihadist” who should not be released while he remained a threat to the public.
Butpolice confirmed last nightthat Khan, 28, from Staffordshire, had been freed from prison on an electronic tag.
Khan was wearing a fake suicide vest when he attended theLearning Together criminal justice conferenceat Fishmongers’ Hall on London Bridge. He thanbegan stabbing fellow delegateswith two large knives.
The killer is thought to have attended the morning session, taking part in various workshops, in which he described his experiences as a prisoner, before launching his deadly attack without warning just before 2pm.
It is understood that Khan, who was still on license and whose movements and travel were restricted, had been given permission to attend the event along with other convicted criminals.
Khan pleaded guilty in 2012 to preparing acts of terrorism as a member of an al-Qaeda-inspired terrorist cell which contained eight other men.
Khan , along with two co-conspirators, originally received an indeterminate sentence for public protection but this was quashed at the Court of Appeal in April 2013 and he was given a 16 – year jail term. In February 2012, Khan was ordered to serve at least eight years in prison.
The other conspirators had conducted a surveillance trip around central London and talked about launching a Mumbai-style attack on Parliament. They had also planned to build a terrorist training camp on land in Pakistan-controlled Kashmir owned by Khan’s family.
In sentencing, Mr Justice Wilkie said Khan and the two other Stoke men were “the more serious jihadists” and said they should not be released until they were no longer a threat to the public. The judge said this was a “serious, long-term venture in terrorism” that could also have resulted in atrocities in Britain.
The judge said that the risk Khan and his co-conspirators were “working to a long-term agenda, no less deadly in its potential than the potential for damage and injury the subject of the short-term intentions of the others. They were intent on obtaining training for themselves and others whom they would recruit and, as such, were working to a more ambitious and more serious jihadist agenda. “
“In my judgment, these offenders would remain, even after a lengthy term of imprisonment, of such a significant risk that the public could not be adequately protected by their being managed on license in the community, subject to conditions, by reference to a preordained release date. “
Asreported by The Telegraph, when police searched Khan’s home in Stoke, they recovered a folded A4 sheet of paper which bore notes of the structure, roles and responsibilities of individuals in a terror cell.
It included the headings ‘structure’, ‘responsibilities’, ‘communication’ and ‘local’ and appeared to be written by a co -Conspirator.
A “target list” was found at the home of the ring-leader, Mohammed Chowdhury, which listed the names and addresses of Boris Johnson, the Mayor of London, as well as two Rabbis and the American Embassy. It had on it the letters ‘LXC’ for London Stock Exchange. The police also recovered sketches of what was believed to be a car bomb.
Khan was part of the Stoke group of the cell. A member of that group, Mohibur Rahman, 27, pleaded guilty to possession of a document containing information useful to a person preparing an act of terrorism. The charges relate to two editions of al-Qaeda’s English language Inspire magazine.
Speaking before chairing a meeting of the Government’s emergency committee Cobra on Friday night, Prime Minister Boris Johnson said he had “long argued” that it is a “mistake to allow serious and violent criminals to come out of prison early and it is very important that we get out of that habit and that we enforce the appropriate sentences for dangerous criminals, especially for terrorists, that I think the public will want to see “.
On Friday night, Neil Basu, the Metropolitan Police’s assistant commissioner, said his team were carrying out searches at the suspect’s residence but believe that he was acting alone.