Try using a silencer sometime. You will find that they definitely are not "silent". Most of what people know about them comes from Hollywood which is completely inaccurate. Much like Steve McQueen's Bullitt car didn't have 32 gears to upshift into.
If someone wants to hide a crime by making their gun quieter, they'll use a water bottle, potato, or pipe with freeze plugs. A real suppressor is $500-$1000. No criminal is going to go buy one at that price.
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