10 o'clock at night
He was heartless , ruthless -- some said venal . But he caught and convicted felons , solved the problems of his office by a dogged perseverance that ignored defeat . For , with a mind essentially tricky , he anticipated tricksters -- unless their operations were beyond his scope . It was 10 o'clock at night , but he was still at work upon a case which , up to now , had baffled him -- a case of opium smuggling -- when Robert and Benito entered . At first he listened to them inattentively . But at Robert 's story of the woman , he became electrified . `` Rose Terranza !