Nevada Witnesses and Evidence
Preliminary questions of admissibility: Relevancy conditioned on fact.
When the relevancy of evidence depends upon the fulfillment of a condition of fact, the judge shall admit it upon the introduction of evidence sufficient to support a finding of the fulfillment of the condition.
If under all the evidence upon the issue the jury might reasonably find that the fulfillment of the condition is not established, the judge shall instruct the jury to consider the issue and to disregard the evidence unless they find the condition was fulfilled.
If under all the evidence upon the issue the jury could not reasonably find that the condition was fulfilled, the judge shall instruct the jury to disregard the evidence.