; and (II) upon conclusion of the criminal investigation, shall file a report with the attorney general of the State containing a determination regarding whether— (aa) the use of deadly force was appropriate; and (bb) any action should be taken by the attorney general of the State. (vi) Any substantially similar procedure to ensure impartiality in the investigation or prosecution. (B) Independent investigation of law enforcement statute The term independent investigation of law enforcement statute means a statute requiring an independent investigation in a criminal matter in which— (i) one or more of the possible defendants is a law enforcement officer; (ii) one or more of the alleged offenses involves the law enforcement officer’s use of deadly force in the course of carrying out that officer’s duty; and (iii) the non-Federal law enforcement officer’s use of deadly force resulted in a death or injury. (C) Independent prosecutor The term independent prosecutor means, with respect to a criminal investigation or prosecution of a law enforcement officer’s use of deadly force, a prosecutor who— (i) does not oversee or regularly rely on the law enforcement agency by which the law enforcement officer under investigation is employed