David Anderson says TPIMs [Terrorism Prevention and Investigation Measures] allow closer surveillance of associates than Control Orders, but he adds:
I don't think TPIMs have been very successful as investigative measures.
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Giroud was clocked at 60mph in a 50mph zone on the North Circular in Willesden.
Police have arrested a lookalike of Friends star David Schwimmer, who failed to turn up at court before Christmas.
The driver of the car, who stopped at the scene and was taken to hospital with non life-threatening injuries, is helping police.