Dallas County Sheriff’s Office

E29671

county sheriff's office law enforcement agency

The Dallas County Sheriff’s Office is the Alabama law enforcement agency historically known for its central role in violently opposing civil rights demonstrators during the Selma to Montgomery marches in 1965.

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All labels observed (3)

Label	Occurrences
Dallas County Sheriff’s Office canonical	3
Dallas County Sheriff’s Department	2
Dallas County Sheriff's Office (Alabama)	1

How this entity was disambiguated

This entity first appeared as the object of triple T226072 — 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: Dallas County Sheriff’s Office
Context triple: [Selma to Montgomery marches, opponent, Dallas County Sheriff’s Office]

A. Dallas County District Attorney
The Dallas County District Attorney is the chief prosecutor for Dallas County, Texas, responsible for representing the state in criminal cases and significant legal matters arising within the county.
B. Dallas County, Texas
Dallas County, Texas is a populous county in north-central Texas that includes the city of Dallas and serves as a major economic, cultural, and transportation hub of the Dallas–Fort Worth metropolitan area.
C. Rockwall County, Texas
Rockwall County, Texas is a small, rapidly growing suburban county in the Dallas–Fort Worth metropolitan area known for being the smallest county by land area in the state.
D. Tarrant County, Texas
Tarrant County, Texas is a major urban county in North Texas that includes the city of Fort Worth and forms part of the Dallas–Fort Worth metropolitan area.
E. Denton County, Texas
Denton County, Texas is a rapidly growing county in the Dallas–Fort Worth metropolitan area known for its suburban communities, higher education institutions, and proximity to major urban centers.
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: Dallas County Sheriff’s Office
Target entity description: The Dallas County Sheriff’s Office is the Alabama law enforcement agency historically known for its central role in violently opposing civil rights demonstrators during the Selma to Montgomery marches in 1965.

A. Dallas County District Attorney
The Dallas County District Attorney is the chief prosecutor for Dallas County, Texas, responsible for representing the state in criminal cases and significant legal matters arising within the county.
B. Dallas County, Texas
Dallas County, Texas is a populous county in north-central Texas that includes the city of Dallas and serves as a major economic, cultural, and transportation hub of the Dallas–Fort Worth metropolitan area.
C. Rockwall County, Texas
Rockwall County, Texas is a small, rapidly growing suburban county in the Dallas–Fort Worth metropolitan area known for being the smallest county by land area in the state.
D. Tarrant County, Texas
Tarrant County, Texas is a major urban county in North Texas that includes the city of Fort Worth and forms part of the Dallas–Fort Worth metropolitan area.
E. Denton County, Texas
Denton County, Texas is a rapidly growing county in the Dallas–Fort Worth metropolitan area known for its suburban communities, higher education institutions, and proximity to major urban centers.
F. None of above. chosen

Statements (31)

Predicate	Object
instanceOf	county sheriff's office ⓘ law enforcement agency ⓘ
associatedWith	segregationist policies in mid-20th-century Alabama ⓘ
country	United States of America ⓘ surface form: United States
duty	court security for Dallas County courts ⓘ patrol of county areas outside municipal police jurisdictions ⓘ service of civil and criminal process in Dallas County, Alabama ⓘ
employs	administrative staff ⓘ deputy sheriffs ⓘ detention officers ⓘ
governingBody	Dallas County ⓘ surface form: Dallas County government
hasFunction	corrections ⓘ court services ⓘ law enforcement ⓘ
headedBy	Dallas County Sheriff ⓘ
headquartersLocation	Selma, Alabama ⓘ
historicalEventInvolvement	Bloody Sunday (March 7, 1965) ⓘ surface form: Bloody Sunday (1965) Selma to Montgomery marches ⓘ
jurisdiction	Dallas County, Alabama ⓘ
knownFor	role in opposing civil rights demonstrators during the Selma to Montgomery marches ⓘ violent enforcement of segregation-era laws in the 1960s ⓘ
lawEnforcementType	local law enforcement agency ⓘ
legalAuthorityFrom	Alabama ⓘ surface form: State of Alabama
locatedIn	Dallas County, Alabama ⓘ
oversightOf	unincorporated areas of Dallas County, Alabama ⓘ
responsibleFor	law enforcement in Dallas County, Alabama ⓘ operation of the county jail in Dallas County, Alabama ⓘ
sector	criminal justice ⓘ
state	Alabama ⓘ
timePeriodOfNotableActivity	1960s American civil rights movement ⓘ
typeOfOrganization	public safety agency ⓘ

How these facts were elicited

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

Selma to Montgomery marches → opponent → Dallas County Sheriff’s Office ⓘ

Dallas County District Attorney → worksWith → Dallas County Sheriff’s Office ⓘ

Dallas County, Alabama → hasLawEnforcementAgency → Dallas County Sheriff’s Office ⓘ

Dallas County → hasLawEnforcementAgency → Dallas County Sheriff’s Office ⓘ

subject surface form: Dallas County, Alabama

this entity surface form: Dallas County Sheriff's Office (Alabama)

Lancaster Police Department → coordinatesWith → Dallas County Sheriff’s Office ⓘ

this entity surface form: Dallas County Sheriff’s Department

Dallas County Sheriff → oversees → Dallas County Sheriff’s Office ⓘ