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立线侦查作为立案前的一种前置性侦查手段,在疑似命案侦查工作中发挥着其他侦查模式无法替代的重要作用。在疑似命案立线侦查工作中必须把握好几个环节:一是把握侦查行为合法性和证据转化环节;二是在警情研判评估后确定是否开展立线侦查;三是在相对秘密的前提下开展侦查工作。
As a kind of pre-investigation means, the vertical line investigation plays an important role that can not be replaced by other reconnaissance patterns in the investigation of suspected murder cases. In the case of suspect homicide investigation, several links must be grasped: one is to grasp the legitimacy of investigation and the transformation of evidence; the other is to determine whether to conduct vertical investigation after the police intelligence assessment; the third is to carry out under the premise of being relatively secretive Investigation work.