随着我国改革开放的不断深化、社会主义市场经济的形成和发展，公安机关面临的社会治安形势更加严峻和复杂。人、财、物的大流动，诱发出新的治安问题，违法犯罪活动出现许多新的动向：暴力对抗程度加剧，组织化、智能化犯罪增多，利用先进的交通通讯工具进行流窜作案、跳跃作 With the continuous deepening of China’s reform and opening up and the formation and development of the socialist market economy, the situation of public order facing public security organs has become even more severe and complicated. The great flow of people, money and goods has triggered new problems of law and order. Many new trends have emerged in criminal and criminal activities: the intensification of violent confrontations, the increase of organized and intelligent crimes, the use of advanced means of transportation and communication to commit crimes,