I fuss at offenders when I'm there and tell them to put a towel under the door so they don't get arrested and go to jail where they can't pay me rent.

When I’m done with the physical part I call the cops and have them arrested.

But she’ll end up arrested for assault or something and he’ll go on his merry way.

They raided the place, made some arrests, and that was that.

While they can be arrested and imprisoned, they can not be forced to "get better". 

Proof of violation shall not require criminal conviction or even arrest, but shall be by a preponderance of the evidence. 7.

They had moved my tenant out and into one of their other properties because the neighbor was harassing the tenant to the extent cops were called and property management had a warrant for the neighbors arrest.

Usually you need to give notice and then if they do it again they can be arrested. 

They arrested him there.Just dupe Clayton Morris the same way and problem solved. 

Nobody seems to notice that two of the three tenants were arrested and are sitting in jail or that the third tenant was living with those types of people.