Every adult using the system will have been thoroughly vetted via a criminal records disclosure check
1 - It hasn't been called CRB for several years. It's now DBS. (Disclosure and Barring Service) Something the Scouts should plainly know.
1.1 - They never called it "CRB"? It hasn't been called "I'm a pompous pedant" for several years either. Something the Scouts should plainly know.