Section 569.080 - Tampering in the first degree - penalty1. 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.Amended by 2014 Mo. Laws, SB 491,s A, eff. 1/1/2017.L. 1977 S.B. 60, A.L. 1982 H.B. 1454, et al., A.L. 2005H.B. 353