(1) The department of justice may appoint one or more investigators or prosecuting officers who, under its direction, shall perform the duties it may require.
(2) When requested by the department, the department of justice shall:
(a) investigate the character of an applicant applying for the issuance or transfer of an alcoholic beverage license and, if applicable, the suitability of a premises or proposed premises to be used in connection with an alcoholic beverage license;
(b) investigate all matters relating to the purchase, sale, importation, exportation, possession, and delivery of alcoholic beverages; and
(c) serve as a liaison to local law enforcement authorities in matters relating to alcoholic beverage law enforcement.