星期日的早上,一位评论家死在他的书房里,他胸部中了两枪,倒地而亡。因其是一人独居,尸体是早上佣人来打扫时才发现的。亨利探长在现场了解到,附近的人没有听到枪声。他问鉴定人员:死亡的时间知道吗?”鉴定人员回答:昨晚10点20分左右。”正在鉴定人员答话时,挂在书房墙上的鸽子 On the morning of Sunday, a critic died in his study with two shots in his chest and fell to the ground. Because it was one person living alone, the body was found in the morning when the maid to clean. Inspector Henry learned at the scene that no gunfire was heard by people nearby. He asked the appraiser: Do you know the time of death? “The appraisers replied: Last night around 10:20.” The pigeons hanging from the study wall