We do background checks on every adult that applies to live in the property.

Ask me how I know that)NeighborhoodIs it single family homes or is it back to back MFAre there an unusual number of adult oriented retail stores(adult book stores, Tattoo parlors, liquor stores, check cashing, and pawn shop.Supermarkets availableBus routes nearbyAccess to the highwayPostal CarrierAsk them anything and everything about the neighborhoodRetail Sales ClerkAsk them anything and everything about the neighborhood

I've been doing automotive manufacturing most of my adult life.

I have a regular full time job right now, I'm paid decent for the work and region but I'm completely unfulfilled as I've sadly been most of my adult life with jobs. 

If so, sometimes one person is hostile and the other adult or the kids will easily give up the name if you talk to them when the hostile person is not home.

However, if his diminished capacity affects his cognition, for which you are not qualified to determine, Rather than some administrative person or social worker, the person in charge of an adult with diminished capacity is called a conservator in most jurisdictions.

We both have been in the construction business our whole adult life.  

Stop helping your adult children.

I am guessing that they are both on the Section 8 case, since they are both on the lease - you might want to double check that before they call.In my experience, change in household makeup means 2 different recalculations - income (assuming household income would fall when 1 person dies, likely the tenant portion of rent would go down/section 8 portion would go up) and type of unit/number of bedrooms (for a 2 adult household going to 1 adult, likely no change).  

You should always screen every adult (18 years and older) occupant.