When the police are investigating a murder, why do they use a clear glass display board? Thanks?

So they can get the TV camera behind it.





In the real world they don't.When the police are investigating a murder, why do they use a clear glass display board? Thanks?
They dont. Thats all T.V. land.When the police are investigating a murder, why do they use a clear glass display board? Thanks?
ask them Police or a murderer
I think that's just what they use on telly!

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