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A comment on UK police secretly downloading content from suspects’ phones (2018). Parent comment

Re:UK police secretly downloading content from suspects’ pho... by gmueckl on Tuesday April 30, 2019 @09:22AM (#19787646)
That was done by looking at the tapes afterwards. But hiw.many crimes were actually prevented by the cameras? Do they provably act as a deterrent? In how many cases did the cameras result in help arriving on time?
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Re:UK police secretly downloading content from suspects’ pho... by lenkite on Tuesday April 30, 2019 @09:30AM (#19787702)
Only MI5/GCHQ/OSCT can answer your questions with actual numbers. (EDIT) There are several studies on effectiveness of camera surveillance on crime prevention.The UK unlike other nations actually has a lot of material here.

https://www.tandfonline.com/doi/full/10.1080/10242694.2011.6...

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Re:UK police secretly downloading content from suspects’ pho... by gmueckl on Tuesday April 30, 2019 @09:33AM (#19787723)
I haven't followed up. Are these numbers published? If not, I would tend to assume that they are too embarrassing to show. But despite my bias, I'm actually curious.
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