Well, he could get into a lot of mischief at the airport, obviously.
Leave it in the restroom, report it, and have the whole airport evacuated, flights cancelled, etc. Or if someone peeves him he could drop it in their pocket and get them in trouble.
After all, it’s not the size of the threat that matters; it’s the size of the fear.
Lord have mercy! We have become a nation of weenies..........