Colo. Rev. Stat. § 16-2.5-132
A district attorney, an assistant district attorney, a chief deputy district attorney, a deputy district attorney, a special deputy district attorney, and a special prosecutor are peace officers whose authority shall include the enforcement of all laws of the state of Colorado and who may be certified by the P.O.S.T. board.
Source: L. 2003: Entire article added, p. 1611, § 2, effective August 6.