Hi skinut!

Please educate us all as to when the last time a silencer or suppressor was used in a murder or robbery in the United States, plus how many total reported crimes were committed using such devices in, say, the last 20 years.  I presume you know that such devices ARE indeed legal to purchase and install on firearms in those less benighted states that allow them?  There is admittedly a $200 federal transfer tax, but as just a single quality handgun can set you back well over $2,000 these days, it's not outrageously expensive or an insurmountable obstacle.

For your information, the effort to relax the restrictions of silencers or suppressors was grounded in a very real public health issue, namely the prevention or mitigation of hearing loss.  Is that not itself a worthy goal? 

Again, I await your figures for at least the total number of murders and robberies committed while using these devices.  Solid numbers should not prove too hard to uncover with even a cursory search.