Why Anjem Choudary Appealed to Adam Deen

BBC: The radical preacher Anjem Choudary has been convicted of inviting others to support the Islamic State militant group - a banned organisation.

Adam Deen once followed Choudary and was part of his network.

Now working in counter-extremism for the Quilliam Foundation think tank, Deen explains what he once found appealing about Choudary's message. Watch BBC video » | Tuesday, August 16, 2016