Human law enforcement hallucinates all the time. This is a bit like a poor argument against self driving.
This shouldn't make as much of a difference as it does, but due to how our legal system works, it's much harder to get meaningful legal satisfaction when an algorithm (or other inhuman distributed system) commits a crime against a person than when a person does so.
Cars measure success by not hitting things.
Cops measure success by number of people they arrest. Note, not the number of people found guilty, that's the prosecutor.
Cops will gladly use a hallucinating computer system to beat the absolute fuck out of you with qualified immunity.
Simply not true. Police KPIs tend to focus on crime rates.
Regardless, they can mistreat you with or without AI backing.
If anything I would expect technology favors the victim of false arrest because it gives the cop a face-saving get out. Previously, a cop who false-arrested you would have been incentivized to take it all the way, because you getting justice for it is intrinsically tied to impugning their word and/or reputation.