Believe it or not, it was his 'wallet'. That is according to the minimum wage employees working at the truck stop! We then walked across the street to a store and purchased aluminum foil. We then wrapped our cash in foil and went thru the same monitors. No monitor went off.
Note: This article has been linked all over the Internet. We want to make it clear that $20 bills will only 'pop' or 'explode' in certain microwaves. We've had E mails saying they do, they don't, 'you're all kooks' etc etc. What is confirmed is the public policy to embed US and European money with high tech tracking devices as part of the hulking surveillance society.
RFID Tags in New US Notes Explode When You Try to Microwave Them