and Walter Scott Notification Act . (b) National Use-of-Force Data Collection Section 501 of title I of the Omnibus Crime Control and Safe Streets Act of 1968 ( 34 U.S.C. 10152 ) is amended by adding at the end the following: (h) National Use-of-Force Data Collection (1) Definitions In this section— (A) the term law enforcement officer — (i) means any officer, agent, or employee of a State, unit of local government, or an Indian tribe authorized by law or by a government agency to engage in or supervise the prevention detection, or investigation of any violation of criminal law, or authorized by law to supervise sentenced criminal offenders