Drugs, homelessness, human feces, insane housing prices -- well at least we can solve theoretical facial recognition
(As with many social ills, it's likely a very small number of repeat offenders – so identifying & appropriate addressing them in a prioritized manner is the best way to a solution.)
Just report the poop on 311 and they go clean it up. Yes it works.
We should probably get a resolution on the table banning the use of ED-209s before people get killed.