a. Rules for active investigations.

Investigative records, active and closed, computation of criminal histories, confessions, confidential informants, and police techniques are all confidential criminal justice information subject to the balancing test. See also Montana Criminal Justice Information Act of 1979, Mont. Code Ann. §§ 44-5-101 to -515; Engrav v. Cragun, 769 P.2d 1224 (1989); 42 A.G. Op. 119 (1988).