every single city. every single state. we're going to get a law passed just for us. it's their own special law for uber and lyft. >> reporter: a special investigate tallied more than 400 highed 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 some cases, almost word for word. this e-mail from an uber lobbyist to a wyoming lawmaker shows just how influential uber can be. the uber lobbyist writes, they have two major issues with a draft of the bill, including the criminal background check provision. the lobbyist tells the lawmaker, change it back to the model language. it was.