案例点播一天,一个农场的记账员在办公室里被谋杀了,他右手拿着笔,背对大门扑倒在地上,大门上写着“M”“N”两个字母。据警察分析,门上的字是记账员临死前写下的凶手姓名的第一个字母。 One day on a case-by-day basis, a farmer’s bookkeeper was murdered in the office. His pen had a pen in his right hand and fell to the ground with the letters “M ” “N ” on the door. According to police analysis, the word on the door is the first letter of the name of the murderer that the bookkeeper wrote before his death.