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Forever if they feel that there is something to keep. Otherwise banks keep Video surveillance for 10 years.
one year
There is no federal law dictating how long a US bank must keep video surveillance footage. However, banks are subject to state laws and regulations which may stipulate specific retention periods for video surveillance footage. Banks typically retain footage for a certain period to comply with legal requirements and for security purposes.
up to 1month
90 days on a DVR
No. Unless there's audio. Added: Agree with the above answer. But also - the establishment of these surveillance media may also fall under any labor agreements or contracts which may be in force - and it certainly does NOT pertain to surveillance place into lawful operation by law enforcement.
Analyze, monitor, keep track of
Until they need to get rid of it. Which is also why you shouldn't do anything dumb so you don't have to worry about anything.
You survey land, people, things etc. out in the open. Surveillance would be done under cover or just observing something for a long period of time in the open. Also, a survey is like a poll, a bunch of questions.
This can vary by circumstance and even by individual state law. Due to the moveable nature of a vehicle, most vehicle search warrants are issued for vehicles wihich are already in the custody, or safe-keeping of, or under the direct surveillance of law enforcement, and are meant for the seizure of evidence or contraband which are reasonably believed to be within, or on, the vehicle, at THAT time. OR - less so, for evidence or contraband in a vehicle which law enforcement has observed to be customarily used for such purposes in the past.
Certainly, as long as students know they are there.
As long as the surveillance tapes are not taping the children undressing or in showers and only to help to keep the children safe then a parent should be grateful for this handy item to keep their children safe from molestation or worse. It does not seem to be the building that is being protected, but the children.