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Met 'spying' report 'disturbing but reassuring'

24 July 2014 Last updated at 15:31 BST

A report in the information that the Met Police collected on 18 justice campaigns, makes "disturbing but reassuring reading", its author says.

Chief Constable Mick Creedon told the BBC that there had been failings in the Special Demonstration Squad, but the families of victims had not been subject to covert attacks.

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