近些年来,刑事犯罪十分猖獗,给社会秩序和人民的生命财产造成极大威胁。有些亡命之徒在与公安干警相遇时,不甘束手就擒,使用各种手段和技能拼死顽抗。特别是那些在人来人往的街头和人多拥挤的车厢内发生的流氓斗殴、抢劫财物、行凶杀人案件中,警察纵有枪械也难以发挥作用。警察执法的难度是可以想象的。然而,一个稳定的社会环境是改革开放顺利推进的重要保证。在这方面,广大公安干警肩负的责任是重 In recent years, criminal activities have been rampant, posing a great threat to social order and people’s lives and property. Some desperado and police officers and police encounter, unwilling to fight, using various means and skills desperate struggle. Especially those gangsters who fought in crowded streets and crowds of people, looting property and assassinating murderers. It is also difficult for the police to use firearms in a playful way. The difficulty of police enforcement is conceivable. However, a stable social environment is an important guarantee for the smooth progress of the reform and opening up. In this regard, the majority of public security officers and men have the heavy responsibility they shoulder