I don’t know, they might take action - they did with us. I was rear-ended on the freeway a couple years ago. The guy who hit me starting pulling over to the side along with me, acting as if he was going to stop. And just as I came to a stop on the shoulder he took off. Fortunately, my wife was quick enough to snap some good pics of the truck as he sped away. Of course, I reported this to the CA Highway Patrol and the officer took a report. We showed the officer the photos that included the truck's license plate and he asked us to send them to him. After receiving the photos, the CHP followed up, found the guy, and served him an order to appear in court for a hit-and-run. He was convicted but I don’t know what he was sentenced since I didn't have to appear. Sometimes justice is served. I realize this case may be different since it was a parked car but it’s definitely worth following up.