公安机关的人民警察和审判机关、检察机关、安全机关、司法行政机关的有关人员,以及人民武装警察部队在遭遇危险情况时,可以行使枪支警械等武力行为,由此给违法犯罪人造成相应损害的应当排除其犯罪性,这种武力行为在起因条件上主要包括职务上的防卫、制止违法犯罪活动、执行抓捕三种情况,同时还要符合主观条件、限度条件和程序条件。 People’s police and judicial organs, procuratorial organs, security organs, relevant personnel of judicial administrative organs and people’s armed police units in the public security organs may, in case of danger, exercise such armed force as gun and bullet train, thus giving rise to corresponding crimes The damage should be ruled out of its criminal nature. Such acts of violence mainly include job defense on the causal conditions, stopping criminal activities and arrests, and at the same time they also meet the subjective, restrictive and procedural conditions.