Sure, that's something to consider. What I've read leads me to believe that less crime is reported due to increasing lack of faith in the criminal justice system.

Here in Canada, it's hard to trust any crime stats because of this:

https://www.cbc.ca/news/canada/more-crimes-going-unreported-...

https://macdonaldlaurier.ca/is-crime-in-canada-really-declin...