On: In 1980s Los Angeles, a bank was robbed every hour...

[freeflight]

It's debatable if the police state was actually responsible for that drop in crime.

Afaik Canada saw a comparable drop in crime, over the same time-period, without starting to mass incarcerate people [0]

[0] https://youtu.be/wtV5ev6813I (Relevant stats and discussion start around 6:45, but the whole talk is rather worthwhile to watch)