I would possibly think that when they first started it was bit like a gang, stronger together, but I do wonder what some of the gang members think now! With the prospect of heavy fines, criminal record and possibly jail.
Slap them In the cells for a while let them think overnight what they have caused to innocent people trying to go about their daily work, take them a walk through the prisons, let's see how brave they are then without their little gang!
I think baaaa and sheep come to mind.
Passports not in the drawer I always keep them in. Turning the place upside down.