> some dust particle with the stuff on it could have floated onto the test same <
There was a story out a couple of years ago about some drunk who was arrested for murder. A very small amount of the victim’s DNA had been found on him.
It turns out that earlier in the day the guy was checked out by a paramedic. That paramedic had been at the murder scene. The victim’s DNA was transferred to the innocent drunk via the paramedic’s clothing.
So ya never know.
A drug addiction female was arrested and they found coke in her pocketbook. She claimed that the wind blew it into her purse
Sure. Horse vet takes out syringe bottle of the steroid, a drop falls to floor hay from needle tip, horse eats hay and boom - scandal.