575.260.  Tampering with a judicial proceeding — penalty. — 1.  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.