Section 11.56.540 - Tampering with a witness in the first degree(a) A person commits the crime of tampering with a witness in the first degree if the person knowingly induces or attempts to induce a witness to (1) testify falsely, offer misleading testimony, or unlawfully withhold testimony in an official proceeding; or(2) be absent from a judicial proceeding to which the witness has been summoned.(b) Tampering with a witness in the first degree is a class C felony.