Diplomatic Security Service
E25844
The Diplomatic Security Service is the law enforcement and security arm of the U.S. Department of State responsible for protecting American diplomatic personnel, facilities, and sensitive information worldwide.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T163893 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Diplomatic Security Service Context triple: [U.S. embassies, securityManagedBy, Diplomatic Security Service]
-
A.
United States Secret Service
The United States Secret Service is a federal law enforcement agency best known for protecting the U.S. president and other national leaders, as well as investigating financial and cyber crimes.
-
B.
United States Marshals Service
The United States Marshals Service is the federal law enforcement agency responsible for protecting the federal judiciary, managing and transporting prisoners, executing federal court orders, and handling the witness security program.
-
C.
Treasury Department Office of Security
The Treasury Department Office of Security is a U.S. Treasury component responsible for protecting the department’s personnel, facilities, and sensitive operations, including those related to currency production and handling.
-
D.
U.S. Customs and Border Protection
U.S. Customs and Border Protection is the federal law enforcement agency responsible for securing U.S. borders and regulating the flow of people and goods into and out of the country.
-
E.
United States Department of Homeland Security
The United States Department of Homeland Security is a federal executive department responsible for safeguarding the nation against terrorism, managing border security, and coordinating responses to natural and man-made disasters.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Diplomatic Security Service Target entity description: The Diplomatic Security Service is the law enforcement and security arm of the U.S. Department of State responsible for protecting American diplomatic personnel, facilities, and sensitive information worldwide.
-
A.
United States Secret Service
The United States Secret Service is a federal law enforcement agency best known for protecting the U.S. president and other national leaders, as well as investigating financial and cyber crimes.
-
B.
United States Marshals Service
The United States Marshals Service is the federal law enforcement agency responsible for protecting the federal judiciary, managing and transporting prisoners, executing federal court orders, and handling the witness security program.
-
C.
Treasury Department Office of Security
The Treasury Department Office of Security is a U.S. Treasury component responsible for protecting the department’s personnel, facilities, and sensitive operations, including those related to currency production and handling.
-
D.
U.S. Customs and Border Protection
U.S. Customs and Border Protection is the federal law enforcement agency responsible for securing U.S. borders and regulating the flow of people and goods into and out of the country.
-
E.
United States Department of Homeland Security
The United States Department of Homeland Security is a federal executive department responsible for safeguarding the nation against terrorism, managing border security, and coordinating responses to natural and man-made disasters.
- F. None of above. chosen
Statements (67)
| Predicate | Object |
|---|---|
| instanceOf |
federal law enforcement agency
ⓘ
security agency ⓘ |
| cooperatesWith |
Central Intelligence Agency
ⓘ
United States Department of Homeland Security ⓘ
surface form:
Department of Homeland Security
Federal Bureau of Investigation ⓘ United States Secret Service ⓘ host nation security services ⓘ |
| country | United States of America ⓘ |
| employer |
diplomatic couriers
ⓘ
security engineering officers ⓘ security technical specialists ⓘ special agents of the Diplomatic Security Service ⓘ uniformed security officers ⓘ |
| fieldOfWork |
counterintelligence
ⓘ
counterterrorism ⓘ criminal investigation ⓘ cybersecurity ⓘ diplomatic security ⓘ law enforcement ⓘ protective security ⓘ |
| hasPart |
Office of Investigations and Counterintelligence
ⓘ
surface form:
Counterintelligence Division
Criminal Investigations Division ⓘ Diplomatic Courier Service ⓘ Diplomatic Security Service self-linksurface differs ⓘ
surface form:
Diplomatic Security Service special agents
Field Offices ⓘ Mobile Security Deployments ⓘ Office of Antiterrorism Assistance ⓘ Office of Cyber Threat and Investigations ⓘ Office of Domestic Operations ⓘ Office of High Threat Programs ⓘ Office of Intelligence and Threat Analysis ⓘ Office of Investigations and Counterintelligence ⓘ Office of Protective Operations ⓘ
surface form:
Office of Overseas Protective Operations
Office of Protective Operations ⓘ Overseas Regional Security Offices ⓘ Protective Intelligence Investigations Division ⓘ Protective Liaison Division ⓘ Resident Offices ⓘ |
| headquartersLocation | Washington, D.C. ⓘ |
| inception | 1985 ⓘ |
| jurisdiction | United States Department of State ⓘ |
| legalAuthority |
Omnibus Diplomatic Security and Antiterrorism Act of 1986
ⓘ
Title 22 of the United States Code ⓘ
surface form:
United States Code Title 22
|
| locatedInTheAdministrativeTerritorialEntity | District of Columbia ⓘ |
| mission |
conduct counterintelligence investigations for the Department of State
ⓘ
conduct criminal investigations related to passport and visa fraud ⓘ conduct threat assessments for U.S. diplomatic missions ⓘ coordinate worldwide security for U.S. diplomatic facilities ⓘ manage security programs at U.S. embassies and consulates abroad ⓘ protect U.S. diplomatic facilities ⓘ protect U.S. diplomatic personnel ⓘ protect classified information of the U.S. Department of State ⓘ provide protective security for the U.S. Ambassador to the United Nations ⓘ provide protective security for the U.S. Secretary of State ⓘ provide protective security for visiting foreign dignitaries in the United States ⓘ provide security training and assistance to foreign law enforcement and security services ⓘ |
| notableOperation |
investigation of the 1998 U.S. embassy bombings in East Africa
ⓘ
protective operations for high‑level international summits in the United States ⓘ security for U.S. diplomatic facilities during the Gulf War ⓘ |
| operatesIn | worldwide ⓘ |
| parentOrganization | Bureau of Diplomatic Security ⓘ |
| partOf | United States Department of State ⓘ |
| precededBy |
Diplomatic Security Service
self-linksurface differs
ⓘ
surface form:
Office of Security (U.S. Department of State)
|
| uses |
armored vehicles
ⓘ
firearms ⓘ secure communications systems ⓘ |
| website | https://www.state.gov/bureaus-offices/under-secretary-for-management/bureau-of-diplomatic-security/ ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Diplomatic Security Service Description of subject: The Diplomatic Security Service is the law enforcement and security arm of the U.S. Department of State responsible for protecting American diplomatic personnel, facilities, and sensitive information worldwide.
Referenced by (31)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
United States Department of State
this entity surface form:
Bureau of Diplomatic Security
this entity surface form:
Bureau of Diplomatic Security
this entity surface form:
Office of Security (U.S. Department of State)
this entity surface form:
Diplomatic Security Service special agents
Omnibus Diplomatic Security and Antiterrorism Act of 1986
→
implementedBy
→
Diplomatic Security Service
ⓘ
this entity surface form:
Diplomatic Security Service leadership
this entity surface form:
Diplomatic Security Service personnel
this entity surface form:
U.S. Diplomatic Security Service
this entity surface form:
U.S. Diplomatic Security Service
this entity surface form:
U.S. Diplomatic Security Service