Right now it appears south LA has lower vacancy than San Fran.

RMF-22 doesn't appear to allow duplexes and SF attached is a row house with firewalls. 

The houses around this one are supposedly worth between $300k-$370k they are smaller (1800sqft) and appear to have been renovated.  

Buy it at the court house steps, get it free and clear of the other liens he is not paying.

If the lease has terminated you can move to eviction but you must provide the proper legal notice in order to get a court date (probably a full 30 days).

I purchased my first rental property (single family) a year ago and won my first court eviction on Monday!

I think the guidelines are all drawn from the court rulings, but with no actual case law.

I am sure he appeared to be a successful famous actor when he applied for the unit.http://m.huffpost.com/us/entry/1921028

I also doubt any court would find you negligent as a property owner for any incident with a police dog under the control of the handler, and the handler is always controlling the animal, even if he leaves the dog inside and runs to the store. :) 

I pulled the documents (yay my county and its online property records) and the forgivable mortgage appears to be in 2nd position.