Admissible is the rule of evidence discussed in the above scenario. A rule of evidence is a criterion or principle that determines whether a piece of evidence can be used in a legal proceeding or investigation. Admissible is a rule of evidence that states that the evidence must be relevant, reliable, authentic, and understandable to be accepted by a court or a jury . Admissible also means that the evidence must be obtained legally and ethically, without violating any laws or rights. In the scenario, Kason has documented all the supporting documents, including source of the evidence and its relevance to the case, before presenting it in front of the jury, which means that he has followed the admissible rule of evidence. Authentic is a rule of evidence that states that the evidence must be original or verifiable as genuine and not altered or tampered with. Understandable is a rule of evidence that states that the evidence must be clear and comprehensible to the court or jury and not ambiguous or confusing. Reliable is a rule of evidence that states that the evidence must be consistent and trustworthy and not based on hearsay or speculation.