命案、黑社会性质组织犯罪和流氓恶势力犯罪(简称“三类犯罪案件”)，严重影响社会稳定和治安大局。

Homicide cases, organized gangland crimes and hooligans' crimes (called the three kinds of crimes for short) are seriously influencing the social stability and the overall situation of public order.

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对这类事件的处置是否得当，直接影响着社会治安稳定的大局。

Whether it is correctly disposed will directly influence the stability of social public order.

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