Mo. Rev. Stat. § 569.080: Tampering in the first degree — penalty.

1. A person commits the offense of tampering in the first degree if he or she:

(1) For the purpose of causing a substantial interruption or impairment of a service rendered to the public by a utility or by an institution providing health or safety protection, damages or tampers with property or facilities of such a utility or institution, and thereby causes substantial interruption or impairment of service; or

(2) Knowingly receives, possesses, sells, or unlawfully operates an automobile, airplane, motorcycle, motorboat or other motor-propelled vehicle without the consent of the owner thereof.

2. Upon a finding by the court that the probative value outweighs the prejudicial effect, evidence of the following is admissible in any criminal prosecution of a person under subdivision (2) of subsection 1 of this section to prove the requisite knowledge that he or she:

(1) Received, possessed, sold, or operated an automobile, airplane, motorcycle, motorboat, or other motor-propelled vehicle unlawfully on a separate occasion; or

(2) Acquired the automobile, airplane, motorcycle, motorboat, or other motor-propelled vehicle for a consideration which he or she knew was far below its reasonable value.

3. The offense of tampering in the first degree is a class D felony.