C.R.S. § 16-2.5-135

The executive director of the department of corrections, a warden, a corrections officer employed by the department of corrections, or other department of corrections employee assigned by the executive director, is a peace officer while engaged in the performance of his or her duties pursuant to title 17, C.R.S., whose primary authority is the supervision of persons in the custody or confinement of the department of corrections and who may be certified by the P.O.S.T. board.