Is it really necessary?

I flew into Miami once. I'd had a banana in my bag, which I'd eaten before departure from heathrow.

At a very full baggage hall a nice little doggie was let loose and ran around sniffing everything enthusiastically. He decided to sit at my bag and his uniformed attendant strode over to speak to me.

Around 1,000 faces were all staring in my direction thinking it was a drugs bust!!