The servants, the doctor, and the inspector of police between them, learned that he had come home alone, that nobody had been near him during the night, that he had been found dead, and that he had undoubtedly been poisoned by prussic acid. 
The servants, the doctor, and the police inspector agreed that Melmotte had come home alone, that nobody had been near him during the night, and that he had been found dead, poisoned by prussic acid. 