There is enough reason to believe that police departments do not record crime appropriately. Goodhart's law applies everywhere. If you are tasked with lowering a particular crime in your area, the fastest way to do it is to under-report it. Here is a podcast where a former NYPD officer alleges as such: https://pca.st/jSka

Of course, it applies both ways. We should not trust the reports of violent crime going up in the late pandemic era. The politics of "Defund the Police" suggests that this was a deliberate tactic.