(a) Interference with custody of a committed person is knowingly taking or enticing any committed person away from the control of such person's lawful custodian without privilege to do so.
(b) Interference with custody of a committed person is a class A nonperson misdemeanor.
(c) As used in this section, "committed person" means any person committed other than by criminal process to any institution or other custodian by a court, officer or agency authorized by law to make such commitment.