I dove a truck in the mid 70's after getting out of the service. Had a load going to Detroit, it was late so I pulled off the road to catch some sleep,woke up to the felling of my truck moving. When I poked my head out of the sleeper I saw someone moving outside my truck,grabbed my pistol and rolled down the window. They were jacking up my truck ignored me when I yelled at them. When I stepped out of the truck with the pistol, they quickly left leaving me with a nice jack.