Which obviously would never veer into "there was some crime .. it probably was this guy over there" "We have no real proof" "Yeah, but who needs that? Let's spin a few tales for the jury/judge, his look does the rest of the job." .. never happened before, won't happen this time.
If your policy is prone to abuse you better have a few ideas how to make sure this abuse won't happen. People don't want homeless people in their vicinity, so the abuse of any such system without extreme high safeguards is more or less guaranteed. And if you install safeguards you are back at square one: Someone will slip through, bad things happens, articles get written, people cry that safeguards should be lowered .. and so on, and so on. It's not an easy problem. Even if you agree that the basic idea is good.
Which obviously would never veer into "there was some crime .. it probably was this guy over there" "We have no real proof" "Yeah, but who needs that? Let's spin a few tales for the jury/judge, his look does the rest of the job." .. never happened before, won't happen this time.
If your policy is prone to abuse you better have a few ideas how to make sure this abuse won't happen. People don't want homeless people in their vicinity, so the abuse of any such system without extreme high safeguards is more or less guaranteed. And if you install safeguards you are back at square one: Someone will slip through, bad things happens, articles get written, people cry that safeguards should be lowered .. and so on, and so on. It's not an easy problem. Even if you agree that the basic idea is good.