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Truth serum

class of psychoactive drug

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 14, 2026
Entity authorityQ908714
Source-derived summary

"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".

Editorial summary

The public source identifies “Truth serum” as class of psychoactive drug. This brief keeps that definition visible, then builds a research path around Truth, serum and class.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current 252-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Truth, serum and class providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Truth serum”, the useful work is to connect “class of psychoactive drug” to the records capable of establishing context and consequence.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Sep 14, 2026. The linked authority identifier is Q908714. None of the 0 selected statements returned an explicit reference.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Truth serum”, its source revision and the description used here.
  2. Expand the search: follow Truth serum primary sources, Truth serum archive and Truth research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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Source & attribution

This entry incorporates text from Truth serum” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.