The profession of police is a special one, the most fundamental characteristics is to carry out the national administrative power, not only in public security management but also criminal enforcement.

警察职业是一门特殊的职业，不管是治安管理还是刑事执法，警察职业最基本的特征是代表国家执行行政权力，是执法者。

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The Criminal Justice and Police Act gives police the power to arrest kerb crawlers and force them to give fingerprints and DNA samples.

BBC: 'Wonderful' new powers for police