Exactly what I was going to say; when they have trouble with the drug tests and too many false positives for a substance mimicking another, they fix them.

You have to believe yourself and your senses first and foremost or you do yourself damage, but for what? If it's his car and he's bringing in a bag from his car, he has to know where the stuff came from! The stuff came from either him or someone he knows/let into his car and he knows uses. It's not like a stranger, a drug addict or seller, broke into his car and left it for him, as a gift! It's not like someone else left it in his car, "forgot" to take it? It's not like the police raided and someone else put it in his things to make it look like his and the police "missed" finding it!

I don't like him because he's obviously not taking responsibility for himself and his actions! Never mind that he's lying.