Maybe the difference is how fast your car is going, if you just roll over it, your car may have no damage. Here's part of an article about TX road kill salvaging:
"As it stands, picking up roadkill is a crime. Partly, this is because of health-and-safety concerns (hard to know what vile pathogens might be swarming over any given carcass), partly it's to discourage people from using their cars as hunting weapons. (This has actually been documented. In a 2012 Dallas Morning News story, a state game warden's staffer recalled a couple of incidents in which motorists intentionally ran over exotic deer in Kerr County, right in Nathan's backyard."
This guy, Tink Nathan, is trying to get the salvage ban lifted in TX. Leave it up to the person whether the deer is safe to eat, or not. Which may sound like a good idea, until people start aiming for the deer, off season, just because it's easier than hunting. As I said, I believe most people will use any law, or lack of a law to their own advantage. So, then you have the people who hit the deer on purpose, and say to the game warden, "it ran in front of my car".
