police administrative investigation警察行政调查

Assist police for investigation协助警方提供线索

police coercive investigation警察实力强制调查

police affairs investigation警务信息

The Haidian Police Investigation海淀警方调查

police investigation and arrest警察查缉

police investigation detail警方调查

Police Investigation Tactic警察缉捕术

Police Opened An Investigation警方已经展开调查