regulators tell cnn that is not enough and that government-run background checks that include fingerprinting potential drivers would go further in discovering histories of violence, but uber says fingerprints don't offer a complete picture of arrests and convictions. and uber has gone to great lengths to fight any government-run background checks. >> that's their game plan every single city, every single state, we're going to get a law passed that's just for us. it's their own special law for uber and lyft. >> a cnn investigation tallied more than 400 lobbyists across the country hired by uber, mostly to fight stricter oversight in many states even writing the laws. cnn's investigation reviewed all 43 states that have laws or rules on driver background checks, and they are strikingly similar. all but massachusetts leave background checks up to uber, and in 31 states the laws passed reflect uber's recommended wording on driver screening in