There's gotta be more to this story. Somehow I don't think it was like this:
Pardon me, Ma'am, but my son seems to have been missed when you were distributing candy.
Oh, pardon me, sir. Here you are sonny, and Happy Halloween!
Thank you Ma'am and now here is my name and address as I smash up your house. Have a nice evening!
Betcha Beer was involved somewhere!