(1) The board shall investigate every supposed violation of this chapter coming within the scope of the authority of such board and report to the proper district attorney general all cases that, in the judgment of the board, warrant prosecution.
(2) Every police officer, sheriff and peace officer is charged with the duty of investigating every supposed violation of this chapter that comes to such officer's notice or of which such officer has received complaint and of apprehending and arresting all violators.
(3) It is the duty of the attorney general and reporter and of the several district attorneys general to prosecute violations of this chapter.