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Special agent

title for a detective or investigator for a state, county, municipal, federal or tribal government

Architectural plans, a scale model, maps and brass measuring instruments
Places and architectureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 19, 2026
Entity authorityQ2655853
Source-derived summary

In the United States, a special agent is an official title used to refer to certain investigators or detectives of federal, military, tribal, or state agencies who primarily serve in criminal investigatory positions. Additionally, some special agents operate in criminal intelligence, counterterrorism, or counterintelligence-based roles as well, with one or all of these roles occasionally taking precedence over criminal investigatory tasks.

Within the American federal law enforcement system, dozens of federal agencies employ federal law enforcement officers (LEOs), each with different criteria pertaining to the use of the titles special agent and agent. Most criminal investigators employed by the U.S. Department of Defense and its component departments typically utilize the title of "special agent."

Most people holding the title of "special agent" are LEOs under state and/or federal law (with some also being dual intelligence operatives such as with the FBI). These LEOs are distinctly empowered to conduct both major and minor criminal investigations and hold arrest authority. While not all federal LEOs are "special agents," nearly all special agents—with very few exceptions—are duly-sworn LEOs. This holds true at the state level as well, with nearly all special agents of state agencies being sworn LEOs.

In intelligence usage, "agent" may also refer to a human source or human "asset" who is recruited, trained, controlled, and employed to obtain and report information. However, within law enforcement agencies, these types of sources are often referred to as informants, confidential informants (CI—not to be confused with counterintelligence), or confidential human sources (CHS).

Federal government

Within the U.S. government, the title of "special agent" primarily refers to the criminal investigator (GS-1811) series position.

Editorial summary

Begin with the source’s own compact description: “Special agent” is title for a detective or investigator for a state, county, municipal, federal or tribal government. The dossier treats that line as a proposition to test through Special, agent and title, not as a finished interpretation.

Editorial reviewA valuable geographic starting point for tracing changing names, boundaries, uses and administrative responsibility. The current lead gives the account dated anchors—1811—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Special, agent and title is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “title for a detective or investigator for a state, county, municipal, federal or tribal government” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

The strongest evidence will usually combine a dated visual record with documents produced by the authority responsible for the place. The source revision retrieved here is dated Sep 19, 2026. The linked authority identifier is Q2655853. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1811.

Critical limits

A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. 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

Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.

Best used for
  • Historic place names
  • Jurisdictional context
  • Routes into maps and plans
Verify next

Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.

Three-step research path

  1. Establish the record: confirm the title “Special agent”, its source revision and the description used here.
  2. Expand the search: follow Special agent primary sources, Special agent archive and Special 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

  1. Which source most directly establishes the central claim about “Special agent”?
  2. What physical evidence or contemporary plan supports the description?
  3. Which authority defined the place, boundary or structure at the relevant date?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from Special agent” 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.