司法实践中,在犯罪手段和犯罪形式愈发变化多端的情况下,传统刑事侦查手段很难嗅探出新型犯罪的蛛丝马迹,或者很难对重点疑犯进一步调查取证。在此背景下,技术侦查措施的运用显得尤为重要。技术侦查措施是侦查人员为了侦破特定犯罪行为,利用现代科技手段,秘密收集犯罪证据,查明犯罪嫌疑人犯罪行为的各种专门性侦查措施的总称。技术侦查措施是应对重大复杂犯罪行之有效的侦查手段。修改后刑诉法及《人民检察 In judicial practice, under the circumstances that criminal means and forms of crime are more and more varied, it is difficult for traditional criminal investigation methods to sniff the clues of new crimes or to make further investigation and evidence collection of key suspects. In this context, the use of technical investigation measures is particularly important. Technical investigation measures are the general term for investigators to detect various specialized investigation measures in order to detect a specific criminal act, utilize modern scientific and technological means, secretly collect criminal evidence and find out criminal activities of criminal suspects. Technical investigation measures are effective means of investigating major complex crimes. Revised Criminal Procedure Law and "People’s Procuratorate