> The core problem here is that the system allowed an innocent person to stay in jail.

No; the system got the innocent person out of jail and a hefty settlement for their trouble. The system is now, unfortunately, allowing the guilty parties to stay employed as cops after performing a kidnapping.

> That needs to be fixed on a system level, not by trying to punish people after the fact for bad outcomes.

An accidental positive on a drug test is a bad outcome.

Locking someone up for more than a month because they posted a photo of the President and a quote he actually said is a crime.