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MineralMan

(151,159 posts)
10. Nobody is watching in real time. Only if there is a reason to
Sat Aug 3, 2013, 04:39 PM
Aug 2013

see what has already happened are those things examined, and they are examined only for what is wanted. It's all just recorded, in case someone needs to see it later. That's why you see video footage after some crime or another. It often helps capture someone. Very often, in fact. Just this week in my area, there have been videos that caught a crime in progress. Shown on the TV news, someone who knew the people called the police and identified them almost immediately.

Very valuable evidence, but only useful after the fact.

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