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JFK Research Center

A research reading room for records related to the assassination of President John F. Kennedy, drawn from the U.S. National Archives Catalog.

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Records sourced from the U.S. National Archives Catalog, ABBYY JFK-OCR, and allowlisted primary-source reports. Transcriptions and OCR are machine-generated and may contain errors.

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Scope: This research tool indexes 37,141 records - a curated subset of the ~300,000 documents in the JFK Assassination Records Collection. Releases indexed: 2017-2018, 2021, 2022, 2023, 2025. 2,165 records have full-text OCR indexed - of those, 2,162 are sourced from the 2025 re-release (NARA has not yet published an XLSX manifest for 2025; each document’s prior-release history is shown on its page). Releases not yet indexed: 2026. Methodology

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FBI18,005CIA15,955HSCA1,226Department of Defense315NSA299SSCIA258Senate (Church Committee)253Senate236Department of State79NARA47JCS45U.S. Marine Corps45Department of Justice33U.S. Secret Service32ROCKCOM24WC24ARMY24DOS17LBJ14KISS/SCOW11MATHENY7INSCOM6OSD4BUCHEN/DAN4DUVAL78-673CAR/HARDY3BUCHEN78662DAVIS2CHENEY2

1950 – 2004

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Document matches | 3

Results for LEADS INVESTIGATED BY CIA.

Results3Current document, mention, or semantic mode Entities32People, agencies, places, and concepts Topics11Curated subject lanes TimelineChronology routes for this query QuestionsOpen-question routes

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CIA 3

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Undated

CIA|PAPER - TEXTUAL DOCUMENT|NAID 104-10102-10146

SourceCIATextMetadata onlyRecordNAID 104-10102-10146

LEADS INVESTIGATED BY CIA.

se#:NW 65924 Date: 10-25-2021 ITEM IS RESTRICTED 104-10102-10146 NW 65924 Docld:32356694 Page 2 ( La b F 1. 2. 3. 4. 5. LEADS INVESTIGATED BY CIA. This list does not include disseminations or memoranda on Gilberto ALVARADO Ugarte and Silvia Tirado de DURAN. Th

Matched by

Title, metadata, or description text

Record type

CIA / PAPER - TEXTUAL DOCUMENT

Confidence

Entity name appears in the title

High confidenceCurated metadataCIAPaper - Textual DocumentRelease 2021

CIA|PAPER - TEXTUAL DOCUMENT|NAID 104-10438-10122

SourceCIATextMetadata onlyRecordNAID 104-10438-10122

REPORT:LEADS INVESTIGATED BY CIA. THIS LIST DOES NOT INCLUDE DISSEMINATIONS OR MEMORANDA

of Plot against al : JFK ASSASSINATION SYSTEM IDENT IFIC ATIO N FORM AGENCY INFORMATION AGENCY: CIA RECORD NUMBER: 104-10438-10122 RECORD SERIES : JFK AGENCY FILE NUMBER: RUSS HOLMES WORK FILE DOCUMENT INFORMATION- AGENCY ORIGINATOR: CIA FROM : TO: Date: 02/16

Matched by

Title, metadata, or description text

Record type

CIA / PAPER - TEXTUAL DOCUMENT

Confidence

Entity name appears in the title

High confidenceCurated metadataCIAPaper - Textual DocumentRelease 2021

CIA|PAPER - TEXTUAL DOCUMENT|NAID 104-10428-10135

SourceCIATextMetadata onlyRecordNAID 104-10428-10135

REPORT:LEADS INVESTIGATED BY CIA/DESCRIPTION OF DOCUMENTS

of 1992 (44 USC 2107 Note). Case#:NW 659 90 Date : 11 -01-2021 [R] ITEM IS RESTRICTED 104-10428-1013 5 NW 65990 Docld:32396775 Page 1 1. LEADS INVESTIGATED BY CIA. This list does not include disseminations or memoranda on Gilberto ALVARADO Ugarte and Silvia Ti

Matched by

Title, metadata, or description text

Record type

CIA / PAPER - TEXTUAL DOCUMENT

Confidence

Entity name appears in OCR text only

Low confidenceCurated metadataCIAPaper - Textual DocumentRelease 2021