Section 575.260 - Tampering with a judicial proceeding - penalty1. A person commits the offense of tampering with a judicial proceeding if, with the purpose to influence the official action of a judge, juror, special master, referee, arbitrator, state prosecuting or circuit attorney, state assistant prosecuting or circuit attorney, or attorney general in a judicial proceeding, he or she: (1) Threatens or causes harm to any person or property; or(2) Engages in conduct reasonably calculated to harass or alarm such official or juror; or(3) Offers, confers, or agrees to confer any benefit, direct or indirect, upon such official or juror.2. The offense of tampering with a judicial proceeding 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. 2009H.B. 62