So we go back to crossbow, compound, recurve and long bows... not be mention quality wristrocket sling shots... or make your own with surgical tubing, shoe tongue and a forked dogwood branch. Then of course thugs probably remember how to make zip guns... there is no end to it.
All of which are SILENT.......................
> Then of course thugs probably remember how to make zip guns... there is no end to it. <
The thugs would still be well-armed. No need for zip guns. It would be just like Prohibition. Back then, if you wanted illegal booze, you could get illegal booze.