Mo. Rev. Stat. § 217.120: Bribery or receipt of gifts from prisoners by officers or employees of department, penalty — duty to report, failure, effect — director to investigate and report, when.

1. Any employee of the department who receives, under any pretense, from any offender or offender's family, any services, legal tender or article of value not authorized by the department shall be guilty of a class A misdemeanor.

2. Any employee of the department who, directly or indirectly, receives anything of value for procuring, or attempting or assisting to procure, the pardon or parole of any offender shall be guilty of a class B felony.

3. Any employee of the department who becomes aware of a violation of this section shall report such knowledge to the director. Failure to do so shall be grounds for dismissal, or other appropriate disciplinary action.

4. If the director has cause to believe that any violation of this section has occurred, he shall investigate the matter and report the facts, together with the names of the witnesses, to the prosecuting attorney of the county in which the offense occurred or to the circuit attorney of any city not within a county.