Why couldn't the UK deal with the Isis matchmaker?

Why couldn't the UK deal with the Isis matchmaker?

When Tooba Gondal, Britain’s notorious “Isis matchmaker”, callously celebrated the November 2015 Paris attacks, she couldn’t have possibly known that her destiny was to return to that great city as a resident of its penal system. Last December, Gondal was sentenced in Paris to 10 years’ imprisonment for Isis-related terrorism offences. “Burn Paris burn”, she had tweeted at the time. The last time Gondal, who was born in Paris but spent most of h…