well looking at Wikipedia .. Abu Hamza
he entered the UK on a student visa.[1] Abu Hamza's initial reaction to life in Britain was to describe it as "a paradise, where you could do anything you wanted
acquired a job as a bouncer for a peep show in Soho, London
On 16 May 1980, he married Valerie Traverso (now Fleming), a Catholic convert to Islam
In 1984, he divorced his wife. Supporters suggest that this occurred because he found out she had failed to divorce her previous husband until 1982
so surely his marriage was not valid if she was already married, so his visa app was invalid and his citizenship should have been revoked
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