"I'm just reading between the lines here, but it sounds as if he was either some nut or a wiseacre college kid who made a bad joke."
That's what I'm thinking. Sort of like the people who have been arrested for "Yes I packed my bag myself sir, I had to make sure the bomb was packed correctly, ho ho ho" sort of comments at check in.
Right. Or, "Hey, isn't that John F. Kennedy? HI JACK! Ho Ho Ho."