Sure, that might mean someone's laws are adverse, United might be US or United Airlines, and the cloven hooves and clown heads might mean a certain ethnic or religious group. However, I may be stretching it. Have you figured out the coords yet? The coords could be the key to knowing if he's a terrorist, a nut job, or a just someone who likes puzzles.
Thanks guys.. I just don't know what to make of this to be honest.