Caught on dash cam — a man walks up to a semi and, after checking it out to make sure the the driver isn’t there, he pulls the truck’s kingpin. When the driver gets back from lunch and tries to pull away, he soon realizes what has happened.
VIDEO: Jerk Pulls Truck’s Kingpin While Driver Grabs Lunch
Or, "How To Ruin A Truck Driver's Day In Just 20 Seconds."