Originally posted by Jeff_Favelle
Call the Wildlife authorities. Its ILLEGAL to keep native wildlife.
It may be illegal in BC, but other provinces have different rules (ie here in ontario we can keep certain garters). I don't know what the laws are for alberta.
you might consider pointing him at a proper caresheet such as the one at this url. http://mcwetboy.com/gartercare/gartercare.pdf
It's probably the most exhaustive caresheet i've found on garters. If he doesn't smarten up another tactic you could try is letting his mom know that the snake was illegaly collected from the wild and there could be charges/fines involved.