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

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. 

If the neighbors know you are putting a dog in a vacant home, you'll be reported to the Humane Society (and rightly so) and probably arrested...not to mention that's cruel to the dog.All of these solutions cost money, and cumulatively at least as much as you are losing as an investment. 

If I am not mistaken landlords in Arkansas can have their tenants arrested when they miss rental payments.Any Arkansas landlords out there who can corroborate this fact?

Are you just stopping by to collect rent or to make a citizens arrest?

The rental pool is small and they all just got fired or arrested (I know, they work for me).

She got arrested for that and for trespassing on the apartment property several times, eventually she got tired of being arrested and disappeared. 

Add 2 arrests as a principal agent to my stat sheet at work.2.

I found out about it when the gangs activity was discovered, they were finally arrested.