Lockdown won’t stop them, dealers are still working and as for having no money, well as long as he isn’t getting any on tick. I suppose if he isn’t going out then maybe he ain’t but if he is well then keep an open mind.
The mucus coming out of the nose is damage from drug use.
I get what you mean about testing, it isn’t a way to live but neither is worrying, mistrusting and all the other suspicious activity.