"Truth serum" is a colloquial name for any of a range of psychoactive drugs used in an effort to obtain information from subjects who are unable or unwilling to provide it otherwise. These include ethanol, scopolamine, 3-quinuclidinyl benzilate, midazolam, flunitrazepam, sodium thiopental, and amobarbital, among others. Although a variety of such substances have been tested, serious issues have been raised about their use scientifically, ethically, and legally. There is currently no drug proven to cause consistent or predictable enhancement of truth-telling. Subjects questioned under the influence of such substances have been found to be suggestible and their memories subject to reconstruction and fabrication. While such drugs have been used in the course of investigating civil and criminal cases, they have not been accepted by Western legal systems and legal experts as genuine investigative tools. In the United States, it has been suggested that their use is a potential violation of the Fifth Amendment of the U.S. Constitution (the right to remain silent). Concerns have also been raised through the European Court of Human Rights, arguing that use of a truth serum could be considered a violation of a human right to be free from degrading treatment, or could be considered a form of torture, and has been noted as a violation of the Inter-American Convention to Prevent and Punish Torture. "Truth serum" was previously used in the management of psychotic patients in the practice of psychiatry. In a therapeutic context, the controlled administration of intravenous hypnotic medications is called "narcosynthesis" or "narcoanalysis". Such application was first documented by Dr. William Bleckwenn. Reliability and suggestibility of patients are concerns, and the practice of chemically inducing an involuntary mental state is now widely considered to be a form of torture.
Active chemical substances
Sedatives or hypnotics that alter higher cognitive function include ethanol, scopolamine, 3-quinuclidinyl benzilate, potent short or intermediate acting hypnotic benzodiazepines such as midazolam, flunitrazepam, and various short and ultra-short acting barbiturates, including sodium thiopental (commonly known by the brand name Pentothal) and amobarbital (formerly known as sodium amytal).
Reliability While there have been many clinical studies of the efficacy of narcoanalysis in interrogation or lie detection, there is dispute whether any of them qualify as a randomized, controlled study, that would meet scientific standards for determining effectiveness.
Use by country
India India's Central Bureau of Investigation has used intravenous barbiturates for interrogation, often in high-profile cases. One such case was the interrogation of Ajmal Kasab, the only terrorist captured alive by police in the 2008 attacks in Mumbai, India. Kasab was a Pakistani militant and a member of the Lashkar-e-Taiba terrorist group. On May 3, 2010, Kasab was found guilty of 80 offenses, including murder, waging war against India, possessing explosives, and other charges. On May 6, 2010, the same trial court sentenced him to death on four counts and to a life sentence on five counts. The Central Bureau of Investigation also conducted this test on Krishna, a key witness and suspect in the high-profile 2008 Aarushi-Hemraj Murder Case to seek more information from Krishna and also determine his credibility as a witness with key information, yet not known to the investigating authorities. Per unverified various media sources, Krishna had purported to have deemed Hemraj (the prime suspect) as not guilty of Aarushi's murder, claiming he [Hemraj] "treated Aarushi like his own daughter". On May 5, 2010 the Supreme Court Judge Balasubramaniam in the case "Smt. Selvi vs. State of Karnataka" held that narcoanalysis, polygraph, and brain-mapping tests were to be allowed with the consent of the accused. The judge stated: "We are of the considered opinion that no individual can be forced and subjected to such techniques involuntarily, and by doing so it amounts to unwarranted intrusion of personal liberty." In Gujarat, Madhya Pradesh High Court permitted narcoanalysis in the investigation of a killing of a tiger that occurred in May 2010. The Jhurjhura Tigress at Bandhavgarh National Park, a mother of three cubs, was found dead as a result of being hit by a vehicle. A Special Task Force requested the narcoanalysis testing of four persons, one of whom refused to consent on grounds of potential post-test complications.
Philippines
USSR In 2004, Novaya Gazeta, with reference to KGB General Oleg Kalugin, published an article that said that since the end of the 1980s the First and Second Directorates of the KGB had used, in exceptional cases and mostly on foreign citizens, a soluble odorless, colorless, and tasteless substance code-named SP-117, an improved successor to similar drugs used by the KGB prior, that was effective in making a subject lose control of oneself 15 minutes after intake. Most importantly, a person who would be given, consecutively, two parts of the drug, i.e. both the "dote" and "antidote", would have no recollection of what had occurred in between and feel afterward as though he had suddenly fallen asleep, the preferable way to administer the "dote" being in an alcoholic drink, as that would serve as a plausible explanation of the sudden onset of drowsiness. Other reports state that SP-117 was just a form of concentrated alcohol meant to be added to alcoholic drinks such as champagne.
Russian Federation According to the Russian Foreign Intelligence Service (SVR) officer, Alexander Kouzminov, who quit the service in the early 1990s, the officers of SVR′s Directorate S, which runs SVR's "illegals", primarily used the drug to verify fidelity and trustworthiness of their agents who operated overseas, such as Vitaly Yurchenko. According to Alexander Litvinenko, Russian presidential candidate Ivan Rybkin was drugged with the same substance by FSB agents during his kidnapping in 2004.
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