However, even assuming that defendant was in custody, defendant was given his Miranda warnings, which he waived. The voluntariness of a confession is examined in light of the totality of the circumstances. Looking at the totality of the circumstances, this confession was voluntary in that defendant voluntarily came to the police station, voluntarily submitted to the polygraph, and was free to leave at any time. Therefore, we hold that neither the polygraph operator asking questions off the polygraph nor questioning by officers vitiated defendant's waiver of his Miranda warnings with respect to this second statement. Defendant next contends that the trial court committed reversible error by overruling defendant's objection and denying his motion to strike irrelevant testimony concerning the purchase of a firearm because the firearm was never connected to the murder which defendant was alleged to have conspired to commit and such evidence carried a great risk of undue prejudice.
Relevant evidence is that which has the tendency to prove or disprove a material fact.
N.C. Gen. Stat. N.C. Gen. Stat. N.C. Gen. Stat. In Bullard, the victim died of multiple knife and gunshot wounds, and a .22 caliber bullet was found in the victim's body. The court held that the admission of evidence of defendant's possession of a .22 caliber pistol approximately three months prior to the murder was proper.