https://mobile.nytimes.com/2013/12/16/us/sheriffs-refuse-to-enforce-laws-on-gun-control.html
https://www.rt.com/usa/sheriffs-refuse-enforce-gun-laws-329/
To be effective EVERY police jurisdiction would have to refuse to enforce the anti-gun (anti-freedom) laws. A few sheriffs nationwide is a good thing, but you can’t count on it. I reiterate the police are NOT your friends.