There's also some major manufacturing, cyber command, and nuclear energy that add a ton of jobs and renters to the mix.  

Hides behind Google and Yelp to feel better about their cyber bullying.  

I am a Cyber Security Engineer, but just getting into the field of Real Estate.

If you're stubborn, then install surveillance cameras and go through the tapes to see who did it.

Number two, get professional liability insurance and number three get cyber liability insurance for the PM company also (very prone to cyber attack due to all the money you collect monthly). 

If one wanted to take security further one could put video surveillance in that area that is motion detected, posted online for the renter with text notification.