The ‘White Widow’, Samantha Lewthwaite, may be the most notorious, but 50-100 young British Muslims have joined al Shabaab as 'jihadists'.
The horrific attack has brought into focus one of the most important international issues facing the UK that is given scant attention.
Those who knew Mark Bridger all say he was just another member of the community, but he was harbouring a dark secret.
10 of the newly-elected commissioners have been publicly accused of cronyism. 4 have appointed friends and political allies to senior posts.