Nor are our politicians standing up to the threat. When Quilliam's researchers revealed that Abu Qatada, "al-Qaeda's ambassador to Europe", was smuggling propaganda letters from inside a British prison, the then justice minister turned up on the BBC to dismiss our findings and say such work was "unhelpful". Boris Johnson recently called for greater understanding and tolerance of Islam at the East London Mosque – the same place where I and many others were introduced to radical Islamist ideology, and whose Saudi-trained imam is a signatory to a document that many say calls for attacks on the Royal Navy.