安盏灯的学问一位友人聊到这样一件事:在厦门老市区的某处小巷中经常发生抢劫案,派出所几次伏击,收效甚微。后一位毕业于某公安大学刑侦专业的片警,到那地段研究之后做了一件小事,该辖区的案发数即明显下降。其实,那位片警所做的事也非常简单。那就是他经过勘查之后发现那条小 An Qi Deng’s knowledge of a friend talks about such a thing: There are frequent robberies in some streets and alleys in the old urban areas of Xiamen, and several ambushes by the police station have little effect. The last film police officer who graduated from a criminal investigation program at a public security university, after doing research on the area, did a trivial matter, and the number of cases in this jurisdiction fell significantly. In fact, what the police officer did was very simple. That’s what he discovered after the survey.