Wash. Rev. Code § 9A.72.120 : — WASHINGTON CRIMINAL CODEPERJURY AND INTERFERENCE WITH OFFICIAL PROCEEDINGS — Tampering with a witness TEXT PDF (1) A person is guilty of tampering with a witness if he or she attempts to induce a witness or person he or she has reason to believe is about to be called as a witness in any official proceeding or a person whom he or she has reason to believe may have information relevant to a criminal investigation or the abuse or neglect of a minor child to: (a) Testify falsely or, without right or privilege to do so, to withhold any testimony; or (b) Absent himself or herself from such proceedings; or (c) Withhold from a law enforcement agency information which he or she has relevant to a criminal investigation or the abuse or neglect of a minor child to the agency. (2) Tampering with a witness is a class C felony. (3) For purposes of this section, each instance of an attempt to tamper with a witness constitutes a separate offense. RCW 9A.72.120 Amended by 2011 c 165,§ 3, eff. 7/22/2011. 1994 c 271 § 205; 1982 1st ex.s. c 47 § 19; 1975 1st ex.s. c 260 § 9A.72.120. Intent- 2011 c 165 : See note following RCW 9A.72.110. Finding-1994 c 271: See note following RCW 9A.72.090. Purpose-Severability-1994 c 271: See notes following RCW 9A.28.020. Severability-1982 1st ex.s. c 47: See note following RCW 9.41.190.