the practice of ordinary people in a place taking unofficial action to prevent crime or to catch and punish people believed to be criminals

The film does not condone vigilantism; you can't defeat violence with violence. 这部电影并不包容治安维持会的做法；你不能以暴易暴。

We do not want to live in a society which tolerates vigilantism. 我们不愿生活在一个容忍治安维持会的社会。