Section 27-104 - Rule 104. Preliminary questions; questions of admissibility, generally; relevancy conditioned on fact; hearing of jury; testimony by accused; weight and credibility(1) Preliminary questions concerning the qualification of a person to be a witness, the existence of a privilege, or the admissibility of evidence shall be determined by the judge, subject to the provisions of subsection (2) of this section.(2) When the relevancy of evidence depends upon the fulfillment of a condition of fact, the judge shall admit it upon, or subject to, the introduction of evidence sufficient to support a finding of the fulfillment of the condition.(3) Hearings on the admissibility of confessions shall in all cases be conducted out of the hearing of the jury. Hearings on other preliminary matters shall be so conducted when the interests of justice require, or when an accused is a witness, if he so requests.(4) The accused does not, by testifying upon a preliminary matter, subject himself to cross-examination as to other issues in the case.(5) This rule does not limit the right of a party to introduce before the jury evidence relevant to weight or credibility.Neb. Rev. Stat. §§ 27-104