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MI5 chief warns Facebook encryption gives 'free pass' to suspects
Suspects have been as young as 13, usually after being radicalised online.
MI5 chief warns Facebook encryption gives 'free pass' to suspects
By: NewVision Reporter, Journalists @NewVision
Extremism on social media is as much a national security risk now as terrorism from Afghanistan or Syria, the head of UK domestic intelligence has warned as he slammed Facebook