You will have to develop a mechanism internally for BS Detection.

Everything else was all under the tile and only detectable and showed itself during the demo.

Nice detective work @Lee Smith. 

They used infrared cameras to detect this information.

An individual in a long term care nursing facility is likely to have diminished capacity.A little detective work may lead you to the facility, but that may not be helpful as laws will interfere with facility revealing if your party resides in their facility.You might find your owner but not be wise to get your purchase docs signed by this person. 

Expect that those types of deals won't always have perfectly kept books so you will have to become a detective during the due-diligence phase. 

I could detect the smell in the bathroom, but it was not overpowering, and I couldn't detect any cigarette smell in any other part of the house.Confession time was over, I proceeded with inspection.  

The SAR must be filed no later than thirty (30) calendar days after the date of the initial detection by the reporting covered entity of facts that may constitute a basis for filing a SAR.

A dedicated phone line will only cost you about $10 or $15 a month or you can get a phone line switch that will automatically switch the phone line over to your fax machine when the switch detects an incoming fax.

Also just use your own private detective work.