it doesn't even advocate the ownership of firearm. it strictly says that missouri will protect the second amendment rights of missourians. >> reporter: but opponents worry such a law could all but end any joint operations between local and federal law enforcement agencies when it come to taking guns off the streets. st. louis police chief sam dodson has been one of the most vocal opponents. >> this bill, if the legislature overrides the governor's veto work preclude us from enforcing those laws. basically putting a sign on missouri that says, okay, criminal, it is okay to come to missouri. we won't prosecute to the fullest extent of the law. like illinois, kansas, like every other state in the union. >> reporter: what do you say to people who believe this bill go too far? >> i don't think it goes too far. i don't think it go that far at all. i don't think it will have that much impact on life as we know it. on law enforcement as we know it.