</s>FO. 245 (MAY 4:13:00) H. S. Department of Justice Miscellaneous MATERIAL MUST NOT BE REMOVED FROM OR ADDED TO THIS FILE FIELD OFFICE FILE Superbited FOIPA PROCESSED FEDERAL BUREAU Do not Detay- Fording Peligston Prouded tog 230/01/23) 2 778 3/8/85/serial/1887/of comal 7/05 INVESTIGATION DO NOT DESTROY HIST PRICAL VALUE HISTORICAL ARCHIVES Volume Number Bureau File Number 44-39/61/ Bureau File Number 4/4-33/61 HISTorical VALUE: NATIONAL ARCHIVES' ALL INFORMATION CONTANIED See also No. SEE YOU I HEREIN: 1-5/16/19/15/15-10/14/15 DATE(10/10/15)/16-20/15.50/20/16.20/20 FOR LITIGATION ENTIRE FILE REVIEWED FOR HISTORICIAL DECLASSIFICATION De Neut Sectien MADE IN U.S.A.A .- 10-27072 2025 RELEASE UNDER E.O. 14176

Summary  
The documents detail FBI investigations into threats against Martin Luther King Jr. (MLK) in 1968, including reviews of Clifford W. Edmondson’s military and prison records, interviews with suspects like Kenneth Longo and Raymond L. McLean, and inquiries into potential bombing plots targeting MLK’s residence in Memphis. Edmondson, a former Air Force member convicted of murder in 1967 for premeditated homicide, was diagnosed with schizophrenia and claimed knowledge of Longo, who allegedly belonged to a group seeking MLK’s assassination. FBI interviews with Longo at Leavenworth Penitentiary revealed he denied involvement. Separate cases involved Hugh Mellon Henson, arrested for alleged confession to MLK’s murder but later denying the claim, and Frank A. Minnick, detained for impersonating a government agent but released due to insufficient evidence. The FBI also pursued claims of a bombing plot linked to Raymond McLean, a police chief whose sister allegedly provided information about an assassination plan involving Thomas A. Tarrants and others. Investigations connected to Meridian, Mississippi, included redacted social security numbers and references to Klu Klux Klan (KKK) ties. Administrative notes referenced declassification under Executive Order 14176 and ongoing reviews of bombing incidents.  

Key People  
- Clifford W. Edmondson (convicted murderer, schizophrenia diagnosis, claimed knowledge of Kenneth Longo)  
- Kenneth Longo (interviewed at Leavenworth Penitentiary, denied involvement in MLK assassination plot)  
- Raymond L. McLean (police chief, alleged connection to threats against MLK)  
- Mrs. Ernest Carmichael (sister of McLean, provided claims about assassination plot)  
- Margaret Capomacchia (alleged informant linked to bombing case in Meridian, Mississippi)  
- Anthony Capomacchia (spouse of Margaret Capomacchia)  
- Thomas A. Tarrants (allegedly coordinated bombing plot against MLK)  
- Ralph Ainsworth (husband of Kathleen Ainsworth, allegedly aware of assassination plan)  
- Kathleen Ainsworth (deceased)  
- Hugh Mellon Henson (arrested for alleged confession to MLK’s murder)  
- Frank A. Minnick (detained for impersonating a government agent)  

Key Locations  
- Memphis, Tennessee (MLK’s residence, police and legal proceedings)  
- Leavenworth Penitentiary, Kansas (Kenneth Longo’s interview)  
- Springfield, Missouri (Medical Center for Federal Prisoners, Edmondson’s records)  
- Meridian, Mississippi (bombing case linked to Margaret Capomacchia)  
- Jackson, Mississippi (FBI investigation coordination)  
- Shreveport, Louisiana; Montgomery, Alabama; South Carolina; Atlanta, Georgia (locations referenced in FBI communications)  

Key Events  
- FBI review of Clifford W. Edmondson’s mental health records and military history  
- Interview with Kenneth Longo at Leavenworth Penitentiary denying MLK assassination plot involvement  
- Arrest and interrogation of Hugh Mellon Henson for alleged confession to MLK’s murder  
- Investigation into Raymond L. McLean’s alleged connection to threats against MLK, including claims by his sister about an assassination plan  
- FBI coordination on bombing plots targeting MLK’s residence in Memphis, linked to Thomas A. Tarrants and others  
- Tracking of Ralph Ainsworth’s whereabouts and investigation into his potential knowledge of the plot  
- Declination of charges against Frank A. Minnick due to insufficient evidence  
- References to Klu Klux Klan (KKK) ties in bombing investigations  
- Administrative notes on declassification under Executive Order 14176  

Key Organizations  
- Federal Bureau of Investigation (FBI)  
- Medical Center for Federal Prisoners (MCFP), Springfield, Missouri  
- U.S. Penitentiary, Leavenworth, Kansas  
- Southern Christian Leadership Conference (SCLC) [implied through context]  
- Klu Klux Klan (KKK)  
- United States Department of Justice  
- Bureau of Prisons  
- Veterans Administration (VA)  
- Military branches (Air Force, Army)

MLK Declassified Files

44-me-1987_hs1-852611265_78-05-part_1_of_4.pdf

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