You arrive at the scene of a patient who, according to neigh…

You arrive at the scene of a patient who, according to neighbors, is acting strange. Law enforcement personnel and a responding ambulance are en route but have not yet arrived. The patient, a middle-aged man, is sitting in a chair on his front porch. He appears sick and has slurred speech. As you get out of your response vehicle, the man shouts, “I have a gun and will shoot anyone who comes near me!” You should: