In Emmons v. State, 107 Nev. 53, 807 P.2d 718 (1991), the district court permitted the testifying medical examiner to discuss the concurring opinion of her colleague, a radiologist, regarding certain medical evidence. Additionally, the court admitted a letter written by the radiologist outlining his opinion. Emmons, 107 Nev. at 57, 807 P.2d at 720. The Court concluded that the trial court did not err by admitting the testimony and letter pursuant to NRS 51.075 because the radiologist was a disinterested witness with no motive to lie. Id. at 57, 807 P.2d at 721. In Emmons, the court held that the purpose of NRS 175.552 is to ensure due process and that notice of aggravating evidence provided one day before the commencement of a penalty hearing was inadequate to meet the requirements of due process. Id. at 62, 807 P.2d at 724.