House Manager Murders Three FORT LAUDERDALE, Fla. (AP) — An elderly guest house manager went on a shooting spree Monday, killing his wife and two other persons and then wounding himself in a suicide attempt, police said. The shooting started when Mario DiProspero, 80, pulled a gun on a tenant after an argument argument and killed him, officers said. DeProspero then gunned down a neighbor before going home where DeProspero killed his wife and shot at but missed his son-in-law and then shot himself, police said. DiProspero was in critical condition at a local hospital with a gunshot wound in the back of the head, police said. Police gave this account of the shootings: DiProspero argued with James Doyle, 60, about an un known subject at the pool outside outside the one-story guest house. Doyle started walking away and DeProspero pulled a .38- caliber revolver from his waist- band and shot Doyle, once in the back. Doyle staggered across the street to seek aid from a neighbor, Howard Wentworth, 60, a retired New York City policeman. But before Wentworth Wentworth could open the front door to his house, DiProspero shot Doyle several more times, killing him. When Wentworth opened the door, DiProspero fatally shot him once in the chest. DiProspero went back to his apartment and reloaded the gun. He then put the gun behind behind the left ear of his wife, Marie, 79, who was sitting in a living room chair, and fired once, killing her.