<Li> Bureau of Indian Affairs (BIA) <Ul> <Li> Office of Justice Services <Ul> <Li> Bureau of Indian Affairs Police </Li> </Ul> </Li> </Ul> </Li> <Ul> <Li> Office of Justice Services <Ul> <Li> Bureau of Indian Affairs Police </Li> </Ul> </Li> </Ul> <Li> Office of Justice Services <Ul> <Li> Bureau of Indian Affairs Police </Li> </Ul> </Li> <Ul> <Li> Bureau of Indian Affairs Police </Li> </Ul>

Who is responsible for enforcing laws in the united states