Pepper spray would make him lash out, or you won't get a direct hit, He won't care about talking, You might have luck with the tazer but you might not want to risk it, so the answer would be the Service Revolver.
Does body armor cover the neck? Can you die from getting stabbed in the neck? Or go blind getting stabbed in the eye? Or Bleed to death getting stabbed in the femoral artery in then leg? Or the brachial artery in the Arm. Or if not death sustain permanent nerve damage or life long disability? You're an enormous clown an an idiot. Loser
