John Hinckley Jr.
E638422
John Hinckley Jr. is an American man best known for his 1981 attempted assassination of U.S. President Ronald Reagan, which he claimed was done to impress actress Jodie Foster.
All labels observed (4)
| Label | Occurrences |
|---|---|
| John Hinckley Jr. canonical | 2 |
| John Hinckley Jr. in Assassins | 1 |
| John Warnock Hinckley Jr. | 1 |
| John Warnock Hinckley Sr. | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7057293 — 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: John Hinckley Jr. Context triple: [Highland Park High School, hasAlumnus, John Hinckley Jr.]
-
A.
Mark Chapman
Mark Chapman is a British sports broadcaster best known for his work presenting football coverage on BBC television and radio.
-
B.
James Skakel
James Skakel was a member of the prominent Skakel family of Greenwich, Connecticut, known primarily through his connection to his sister Ethel Skakel Kennedy and the extended Kennedy family.
-
C.
Gary Starkweather
Gary Starkweather was an American engineer and inventor best known for creating the laser printer while working at Xerox.
-
D.
Gabriel Harris
Gabriel Harris is an American percussionist and musician best known for his work with his mother, folk singer and activist Joan Baez, as well as other world and folk music artists.
-
E.
Bernhard Goetz
Bernhard Goetz is an American man who gained national notoriety in the 1980s as the "Subway Vigilante" after shooting four teenagers on a New York City subway train, sparking intense debate over crime, self-defense, and race.
- 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: John Hinckley Jr. Target entity description: John Hinckley Jr. is an American man best known for his 1981 attempted assassination of U.S. President Ronald Reagan, which he claimed was done to impress actress Jodie Foster.
-
A.
Mark Chapman
Mark Chapman is a British sports broadcaster best known for his work presenting football coverage on BBC television and radio.
-
B.
James Skakel
James Skakel was a member of the prominent Skakel family of Greenwich, Connecticut, known primarily through his connection to his sister Ethel Skakel Kennedy and the extended Kennedy family.
-
C.
Gary Starkweather
Gary Starkweather was an American engineer and inventor best known for creating the laser printer while working at Xerox.
-
D.
Gabriel Harris
Gabriel Harris is an American percussionist and musician best known for his work with his mother, folk singer and activist Joan Baez, as well as other world and folk music artists.
-
E.
Bernhard Goetz
Bernhard Goetz is an American man who gained national notoriety in the 1980s as the "Subway Vigilante" after shooting four teenagers on a New York City subway train, sparking intense debate over crime, self-defense, and race.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
American criminal
ⓘ
human ⓘ |
| arrestedOn | 1981-03-30 ⓘ |
| associatedWith |
Jodie Foster
ⓘ
Ronald Reagan assassination attempt ⓘ
linked to:
1981 assassination attempt on Ronald Reagan
|
| birthDate | 1955-05-29 ⓘ |
| birthPlace |
Ardmore, Oklahoma, United States
ⓘ
linked to:
Ardmore, Oklahoma
|
| committedCrime | attempted assassination ⓘ |
| confinedFrom | 1982 ⓘ |
| confinedIn |
St. Elizabeths Hospital
ⓘ
linked to:
St. Elizabeths Hospital campus
|
| confinedUntil | 2016 ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfEvent | 1981-03-30 ⓘ |
| educatedAt | Texas Tech University ⓘ |
| familyName | Hinckley ⓘ |
| fullName |
John Warnock Hinckley Jr.
ⓘ
linked to:
John Hinckley Jr.
|
| genre |
folk rock
ⓘ
soft rock ⓘ |
| givenName | John ⓘ |
| hasSibling |
Diane Hinckley
ⓘ
Scott Hinckley ⓘ |
| inspiredBy |
film "Taxi Driver"
ⓘ
linked to:
Taxi Driver
|
| instrument |
guitar
ⓘ
vocals ⓘ |
| legalOutcome | found not guilty by reason of insanity ⓘ |
| mediaAppearance | interviews discussing his music career after release ⓘ |
| mentalHealthDiagnosis |
major depressive disorder
ⓘ
personality disorder ⓘ |
| motive | obsession with Jodie Foster ⓘ |
| notableFor | attempted assassination of Ronald Reagan ⓘ |
| occupation | musician ⓘ |
| parent |
Jo Ann Hinckley
ⓘ
John Warnock Hinckley Sr. ⓘ
linked to:
John Hinckley Jr.
|
| placeOfCrime |
Washington, D.C., United States
ⓘ
linked to:
Washington, D.C.
|
| releasedUnderConditions | 2016-09 ⓘ |
| residenceAfterRelease |
Williamsburg, Virginia, United States
ⓘ
linked to:
Williamsburg
|
| subjectOf |
news coverage regarding presidential security
ⓘ
numerous books about political assassinations ⓘ public debate on insanity defense in the United States ⓘ |
| targetOfCrime | Ronald Reagan ⓘ |
| trialYear | 1982 ⓘ |
| unconditionalReleaseDate | 2022-06-15 ⓘ |
| usedWeapon | Röhm RG-14 .22 caliber revolver ⓘ |
| victimShot |
James Brady
ⓘ
linked to:
James S. Brady
|
| victimShot |
Ronald Reagan
ⓘ
Thomas Delahanty ⓘ Tim McCarthy ⓘ |
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: John Hinckley Jr. Description of subject: John Hinckley Jr. is an American man best known for his 1981 attempted assassination of U.S. President Ronald Reagan, which he claimed was done to impress actress Jodie Foster.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: John Hinckley Jr.
linked to: John Hinckley Jr.
linked to: John Hinckley Jr.