Should I call the police and tell them the situation? 

Join a brokerage, hustle on cold calls and door knocking. 

Yes, you can definitely be someone that helps him out, without calling yourself a property manager.

People used to like to call it the "Happy North Korea". 

Called and emailed several departments/people with every new person that finally replied sending me to a different person/department.

What you are referring to is called underwiting.

Considering that the back-end ratio needs to be roughly 36 percent in order to qualify for a loan, it seems that the mortgage costs associated with each newly purchased property should be 36% of the revenue generated by that property -- we might call this a 36% rule: mortgage cost / rental income = .36Please let me know -- is this feasible or advisable?

Good call on the duplex vibes.

We have been working through the applications for our affected homeowners, and have had to call the county several times for clarifications. 

Once a lawsuit kicks off, there's this thing called legal discovery.