Lead technology is not the only thing that is used when trying to derive the truth from uncooperative or passive suspects. Many other options are included: polygraph, hypnotism, sound / body / mental stress, torture and chemicals. In particular, we are more interested in the use of "chemicals" to help obtain a confession of crime than lead technology. Let's first look at the background of chemical use.
Lead technology is the foundation of the already widely used "criminal examination and confession" manual. It lists nine steps or questions leading the trial. Many of these steps are duplicated and there is nothing like a "typical" test, but Reed Technology provides a blueprint for successful exams. The detective showed the fact of the incident and informed the suspect of his evidence. Evidence may be true or compensated. Detectives usually show confidently that suspects are involved in crime. The pressure level of the suspect begins to rise and the questioner may move through the room and invade the suspect's personal space to increase discomfort.
In the United States and Canada, researchers often use a kind of interrogation called lead technology - named after former Chicago police officer John Reed. Before the trial, observe if there is any sign that the suspects lie and tell the truth. If the interviewer thinks they are lying, they will interrogate them in the presumed guilty way - interrupting the denial and refusing to trust their account. These essential technologies are not allowed in the UK. Since the introduction of a method called survey interview in the early 1990s, the UK is a leader in ethical interviews. It focuses on gathering information rather than confessing and significantly improves interview practice.
Lead technology is a trademark interrogation technology widely used by law enforcement agencies in North America. This technique, which requires an interrogator to observe suspects' body language in order to discover fraud, has been criticized as a false confession that is difficult to apply to cross-cultures and causes innocent people. The use of drugs in clinical trials is invalid and illegal. The principle of protecting all forms of detention or imprisonment (adopted by the General Assembly of the United Nations, resolution 43/173 of December 9, 1988) prohibits "a method of interrogation that impairs the ability to make a judgment" doing. Furthermore, for example, the World Medical Association and the American Medical Association prohibit doctors from participating in the examination.