Looks like I ended up hiring a handyman in this case.I do have cameras set up on the property, so I am a bit less worried about vandalism as opposed to legal penalties.

I have seen people put up "video surveillance" signs but there is liability here so you want to have more of a "You maybe on camera sign" so you are not creating a "safe zone" with people assuming they are safe in a recorded area.4.

When he pulled up to the multifamily home it was brightly lit, fenced off, exterior cameras...... the safest place on the block.

He should have seen it on the camera. 

We bought it and occupied both houses and rented out one bedroom for a nanny for a time and rented out an apartment to friends.

We installed cameras and there were a few that attempted to climb the camera poles and knock out the cameras.

Install a security camera and when you catch this person breaking locks, call the cops

Put a camera in the laundry room in case there is theft or abuse of the machines.

A detailed walk-through on camera, looking at all the failure points -- electric, roof, fit and finish, neighborhood and neighbors, etc. 

Does anyone have practical experience using Ring style cameras or competitors?