Tell them that they have to be Youth Protection trained. Just go to myscouting.org, register, take a 20 minute class, print out the certificate and you're fine and dandy and ready to go on on a campout or to a summer camp or whatever or wherever with the troop. Seriously, with time spent registering for myscouting.org, it might take up a whole 30 minutes of your life and there's absolutely no cost associated with it, not to mention nobody can complain that you're giving anyone a free ride or not enforcing the rules. It's so short, simple, cheap, and easy, just do it.
Now, if they wante