Charles Katz
E613199
Charles Katz was the defendant whose challenge to FBI wiretapping led to the landmark U.S. Supreme Court decision in Katz v. United States, which redefined Fourth Amendment protections for privacy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Charles Katz canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5770435 — 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: Charles Katz Context triple: [Katz v. United States, petitioner, Charles Katz]
-
A.
Don Katz
Don Katz is an American entrepreneur and author best known as the founder of the audiobook and spoken-word entertainment company Audible.
-
B.
Marty Katz
Marty Katz is a film producer known for his work on movies such as the World War II drama "The Great Raid."
-
C.
Ralph Berkowitz
Ralph Berkowitz was an American pianist, accompanist, and arts administrator known for his influential work in classical music performance and education.
-
D.
Charles Kupperman
Charles Kupperman is an American defense and national security official who briefly served in senior roles on the U.S. National Security Council during the Trump administration.
-
E.
Henry Kolker
Henry Kolker was an American stage and film actor and director active in the early 20th century, known for his character roles in both silent and sound films.
- 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: Charles Katz Target entity description: Charles Katz was the defendant whose challenge to FBI wiretapping led to the landmark U.S. Supreme Court decision in Katz v. United States, which redefined Fourth Amendment protections for privacy.
-
A.
Don Katz
Don Katz is an American entrepreneur and author best known as the founder of the audiobook and spoken-word entertainment company Audible.
-
B.
Marty Katz
Marty Katz is a film producer known for his work on movies such as the World War II drama "The Great Raid."
-
C.
Ralph Berkowitz
Ralph Berkowitz was an American pianist, accompanist, and arts administrator known for his influential work in classical music performance and education.
-
D.
Charles Kupperman
Charles Kupperman is an American defense and national security official who briefly served in senior roles on the U.S. National Security Council during the Trump administration.
-
E.
Henry Kolker
Henry Kolker was an American stage and film actor and director active in the early 20th century, known for his character roles in both silent and sound films.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
United States Supreme Court case
ⓘ
criminal defendant ⓘ person ⓘ |
| appliesToJurisdiction |
United States
ⓘ
linked to:
United States of America
|
| areaOfLaw | constitutional law ⓘ |
| concerns |
right to privacy
ⓘ
search and seizure ⓘ wiretapping by law enforcement ⓘ |
| countryOfCitizenship |
United States
ⓘ
linked to:
United States of America
|
| court | Supreme Court of the United States ⓘ |
| decisionDate | 1967 ⓘ |
| hasInfluenceOn |
electronic surveillance law in the United States
ⓘ
modern Fourth Amendment jurisprudence ⓘ privacy rights in the United States ⓘ subsequent Supreme Court search-and-seizure cases ⓘ |
| hasPetitioner | Charles Katz ⓘ |
| hasRespondent |
United States
ⓘ
linked to:
United States of America
|
| hasRole | petitioner in a U.S. Supreme Court case ⓘ |
| holding |
the Fourth Amendment protects people, not places
ⓘ
warrantless wiretapping of a public phone booth violated the Fourth Amendment ⓘ |
| jurisdiction |
United States
ⓘ
linked to:
United States of America
|
| knownFor | helping establish the reasonable expectation of privacy test ⓘ |
| legalClaim | that FBI wiretapping without a warrant violated the Fourth Amendment ⓘ |
| legalPrinciple | reasonable expectation of privacy ⓘ |
| notableFor | being the defendant in Katz v. United States ⓘ |
| partyTo | Katz v. United States ⓘ |
| significantEvent |
FBI wiretapping of his conversations in a public phone booth
ⓘ
arrest and prosecution based on recorded phone conversations ⓘ |
| subjectOf | Fourth Amendment to the United States Constitution ⓘ |
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: Charles Katz Description of subject: Charles Katz was the defendant whose challenge to FBI wiretapping led to the landmark U.S. Supreme Court decision in Katz v. United States, which redefined Fourth Amendment protections for privacy.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Charles Katz