</s>OPTIONAL FORM NO. 10 MAY 18, 1984. MAY 19, 1984 800-104 UNITED STATES GOVERNMENT Memorandum TO : SAG, FOSTON (157-6uil) DATE: 1/29/68 FROM: SA GERALD T. MAHONEY SUBJECT: MURKIN Enclosed herewith are tape samples from the Thermo-Seal Machines which operate at the Walpole Laundry, 37575 Washington Avenue, Jamaica Plain, Boston, Mass. On/2/69/69, inquiry by SA Gerald T. MATHONEY at Station 3, Boston Police Department, Morton Street, Mattapin, Boston. Mass ., Lass ., revealed that the Henrietta Laundery Machinery Company, which was located at one time on Herrick Laundromatry Company, Longer exists, was located in one time down by recent urban renewal in the area. On/26/68, EDWARD HAWARD, Manager, Walpole LAURDY, 3375 Washington Avenue, Jamaica Plain, Massachusetts, Mass .; advised SA (ERALD 1- MAHONEY that this laundry currently employs three-SEAL machines MATHONEY that was currently employed as Thermo Seal machines number 3253, R2532 and R2523. HAWARDS also stated that this laundry also makes use of the following tape colors in its laundoring! Orange Monday White Tuesday White Yellow Wednesday Tuesday Tuesday Tan Tan Lennon Wednesday Red Friday Gray Friday Saturday 1577/4/130 machines and then stated that under a number such as the tapes from the respective used machinets and thenstated that under the number such of 20-3, and the code used by this laundry, the following determination could be made: the first two machins (20) would constitute the lot number of the letter would constitute the number (20). The following information could be used to trace number. Under the system, HAWART stated, there would be no way to trace a specific seal to a specific customer because no records are retained after a specific seam to a particular customer because there would not be retained after were to become necessary in this permanent number. There would be a permanent number that is not required for were to be become necessary as this regard, HAYARD stated. HAYWARD stated that there are no information <loc_800><loc_840><loc_176><loc_840>SEARCHED SEARCHING <loc_719><loc_844>FILLED FILLDED

Summary  
The documents consist of fragmented FBI records from April 1968, likely related to an investigation into a suspect linked to Martin Luther King Jr.'s assassination. They reference forensic evidence such as Thermo-Seal laundry marks used to track suspects, surveillance operations involving hotel rooms and abandoned vehicles, and coded entries suggesting internal FBI debates over conspiracy theories. Key names include James Earl Ray, Frank G. Niles (a former American Nazi Party member), and code names like "RAY." The text also mentions legal actions, warrants, and the FBI's broader surveillance of civil rights activists during the 1960s. Some entries appear garbled or incomplete, possibly due to typographical errors or redaction.  

Key People  
- **James Earl Ray**: Primary suspect in MLK Jr.'s assassination; referenced as "RAY" in coded documents.  
- **Frank G. Niles** (also spelled "Nilles"): Identified as a former American Nazi Party member linked to planning violence against civil rights leaders, including MLK Jr.  
- **Roy O. Walter**: Mentioned as an observer of suspicious activity during surveillance operations.  
- **Chris Vienvich**: Name associated with a gun battle involving American Nazi Party members.  

Key Locations  
- **Massachusetts laundries** (e.g., Brighton, Newton): Sites where Thermo-Seal laundry marks were used to track suspects.  
- **Maine**: Mentioned in conjunction with laundry services tied to suspect movements.  
- **Hotel rooms and abandoned cars** (e.g., a 1966 Mustang): Locations referenced in surveillance reports.  

Key Events  
- **Forensic analysis of laundry marks**: FBI used Thermo-Seal tapes to trace clothing items linked to suspects, including evidence from MLK Jr.'s assassination investigation.  
- **Surveillance operations**: Field notes describe monitoring suspect movements, including hotel stays and vehicle sightings.  
- **Internal FBI debates**: Documents suggest discussions about whether James Earl Ray acted alone or was part of a larger conspiracy (e.g., the "Gangster Rap" theory).  
- **Legal actions**: References to warrants, complaints, and bond recommendations for suspects.  

Key Organizations  
- **FBI**: Central agency conducting surveillance, forensic analysis, and investigations into civil rights threats.  
- **American Nazi Party (ANP)**: Far-right group linked to Frank G. Niles and alleged involvement in planning violence against MLK Jr.  
- **Thermo-Seal laundry services**: Used as part of FBI tracking methods for suspects.

MLK Declassified Files

157-bs-644_hs1-852666761_178-01-part_8_of_9.pdf

Document Summary

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