The tenant just moved out and the house smells like cigarette smoke.

In the body of the deed, down below the legal description, there's an asterisk next to which it says "A hereby retains a life estate". 

This doesn't smell like a deal. 

When he complains, then you'll call the police and ask them to put in their body cameras.

@Tyler Bodi Thanks for the advice.

But I am constantly amazed at the lengths people will go through not to risk any form of embarrassment, as if they're not going to be putrefied body ash and worm s**t just like the rest of us when it's all over.

If you're really upset you could file a complaint with his association of realtors and the licensing body in your state. 

There are no gas leaks that I smell but would like to get a professional opinion and doucument it

You run the criminal background check to confirm if a applicant is a sex offender.Bottom line is you still have the ability to reject any applicant you choose for personal reasons even if it is their appearance, attitude smell etc.

Looks like toilet, vanity and tile around the shower body were ripped out.