8月2日住在犹太区的年轻寡妇,有一天被发现死在自己寓所的卧房内。科勒探长推断死亡时间为昨天晚上十点左右,致死原因是氢酸钾中毒。可,死者没有留下遗书,但是从反锁的门与防盗链、扣紧的门窗来推断,警方一致认为是服毒自杀。但是科勒探长却怀疑警方的推断。因为死者是虔诚的犹 The young widow who lived in the Jewish quarter on 2 August was one day found dead in her bedroom. Kohler detectives infer the time of death last night around ten o'clock, the cause of death is potassium hydrogenate poisoning. However, the dead did not leave a suicide note, but from the locked door and security chain, fastened windows and doors to conclude that the police agreed that it is committed suicide. But Sergeant Kohler doubted police inference. Because the dead are pious