Some things investors can do to be proactive and mitigate risks of investing in the city are - Have a great local team- During rehabs place curtains up, do leave trash outside as it attracts criminals and more trash- 7.)

A screening tool I like to use in addition to the credit and criminal check vendors is the PA court dockets. 

I have Permanent Residency in Brazil and a daughter and I have been in Court for many years waiting for the Judge to Subpoena the Criminal who Squated in my beachhouse etc.

They exist on a spectrum from borderline criminal all the way to brilliant leaders of their industry.

I use smart move (TransUnion) it also checks previous evictions and criminal records.

(Don’t know if it was criminal restaurant employees or what happened.)

People don't usually become criminals over night (even with the loss of a job and medical bills). 

We go through creditbureareports.com for credit and criminal record searches.