Nebraska Revised Statutes Chapter 28. Crimes and Punishments § 28-919. Tampering with witness or informant; jury tampering; penalty

(1) A person commits the offense of tampering with a witness or informant if, believing that an official proceeding or investigation of a criminal or civil matter is pending or about to be instituted, he or she attempts to induce or otherwise cause a witness or informant to:

(2) A person commits the offense of jury tampering if, with intent to influence a juror's vote, opinion, decision, or other action in a case, he or she attempts directly or indirectly to communicate with a juror other than as a part of the proceedings in the trial of the case.

(3) Tampering with witnesses or informants is a Class IV felony, except that if such offense involves a pending criminal proceeding which alleges a violation of another offense classified:

(4) Jury tampering is a Class IV felony, except that if such offense involves a pending criminal proceeding which alleges a violation of another offense classified as a Class II felony or a higher classification, the offense is a Class II felony.