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The secret of the British police investigation
The BBS of politics and law, 2002, 4 journal article introduces the secret of the British police investigation system. This paper said, in Britain for crime, if the police investigation based on past experience, think in through the regular reconnaissance means hard to obtain evidence, the police can use plainclothes police, informants, direct listening or invasive surveillance and secret investigation method. In 2001 the investigation power rules ", the provisions of these secret investigation method.
1. Plainclothes police. Plainclothes police set a trap to lure others may not be the police crime. Only when the crime with a regular reconnaissance means unable to get necessary evidence, they can be made using the plainclothes police decision. Plainclothes police obtained evidence must be true. Usually will plainclothes police and crime suspect the conversations between the secret recordings. In the investigation and trial, the plainclothes police person to face a threat, when plainclothes police testifies, prosecutors asked the judge to allow plainclothes police usually anonymous to testify. Sometimes in plain clothes police after screen can testify.
2. Directly monitor. When the police need to take in a planned way of secret surveillance directly, by post shall be not less than the police officer long written approval, and shall determine the time monitor.
3. Invasive monitor. "The investigation power rules" regulation can be in residential and vehicle was laid in secret technology device, this investigation measures called invasive monitor. Invasive listeners should be approved by the competent officer, he needs a monitoring committee approved of, the committee by the back as often as senior judges. Invasive listening in relation to suspects' privacy, so the crime shall apply for the most serious crimes. "The investigation power rules ban disclose any relevant method, put into the concrete method and technique is the description of the site.
4. The informant. Use informants should be careful, should guarantee its safety. Ban the FanYi tipster induced others.
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