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美国美国的这两种侦查手段是作为必要的侦查程序在联邦调查局(FBI)、司法部毒品取缔局(DEA)、美国海关等侦查机关采用的。卧底侦察的目的,除了探明毒品犯罪组织与毒品交易的内幕之外,还要掌握非法收益的流向、特定不法财产来源等。美国警察通常采用的手法是以长期对贩毒者提供渐增的毒品交易量为诱饵,在全面掌握其交易网之后将其一网打尽。卧底侦察由于实施时间大都比较长,因而不仅要有足够的资金保障,而且侦查体制要十分缜密。这项工作对卧底警探的要求也较高。通信侦听虽然已由美国联邦犯罪取缔法明确规定,但是使用仍需经法院批准。通信侦听分为两种:一是监听,二是窃听。新加坡新加坡毒品交易的控制通常由中央缉毒局(CNB)与国外警察机关联合行动。CNB曾于1998年与澳大
These two means of detection by the United States and the United States were adopted as necessary investigative procedures at the FBI, DEA, U.S. Customs and other investigative agencies. The purpose of undercover surveillance is to ascertain the flow of illegal proceeds and the sources of specific unscrupulous assets in addition to identifying the inside story of drug-dealing organizations and drug trafficking. The usual tactic used by the U.S. police is to bait drug dealers on a long-term basis with increasing drug trafficking volume, and then take it to a close after they have fully mastered their trading network. As the implementation of undercover reconnaissance mostly longer, and therefore not only have sufficient financial security, and the investigation system to be very careful. This job also requires high undercover police detectives. Although the communication interception has been clearly defined by the United States federal crime offenses, the use still needs court approval. Communication interception is divided into two types: one is monitoring, the second is eavesdropping. Singapore Singapore Drug trafficking control is usually coordinated by the Central Drug Enforcement Administration (CNB) and foreign police agencies. CNB was with Australia in 1998