NCIS says “Bull!”
Unless there’s blodd in the stool, it is all food waste that never picked up any of the animal’s cells.
This is a PR stunt, meant to intimidate folks into being responsible.
ok....”blood” in the stool....
You’re using scientific knowledge and common sense.
That’s not allowed nowadays.
The only permissible reference material is Tweets from Kanye West or Facebook posts from Miley Virus.
Actually, cells from the intestinal lining are shed into the intestinal contents all the time. Those cells have a life span of 24-48 hours, and there is no other place for them to go when they die. I am not sure of the quality of DNA from those cells; it could very well be high enough quality to identify individual dogs.