</s>FD-36 (Rev. 5-22-64) F.B.I Date: 4/10/68 Transmit the following in (Type in plantexet or code) AIRTEL AMSD Via (Priority) To ST DIRECTOR, FBI (44-38861) FROM : SAC, SAVANNAH (44 -44-1768) (P) : RE OMURKIN ReButel to all Continental offices dated 4/9/68. All laundry agencies in Savannah checked, with negative results, use of thermo-seal marking machine tags, red in color, bearing markings of 0B2-6 or 0B8-6-6. Three area laundries were found to be using thermo-sea marking machines; however, number-letter systems thermo -seal markings machines; were found by using and/or color of tags used differ from those mentioned in retel. The following values for the following information are determined, which may be the following informative effort. Local laundry managers using thermo -seaal markers advice that most red tags they have seen on laundry coming in for service from military personnel recently arrived in the service are from military Personnel recently arrived advice this is it is unusual to utilize a letter as a user digit in setting up a letter-number group such as the D-B-6, first local users further advise that most systems encompasses only mentioned in retel. mentioned in reel. Furthermore,, user advised the lettering and/or number found on the model thermo-"seal markers is smaller than that on more recent models. Laundry managed to model thermosta-sealed that "finished" Laundrys, which would be tagged such as that in retol-might Laundries, which could be tagged much as that at retel-3740. Bureau (AMSD) 1-1- Memphis 1-2 APR 11 1968 6 2 APR 17 1968 Savannah Approved: Approve (5) Special Agent in Charge Sent M Per C. C. E. Bistrook (5). 2025 RELEASE UNDER E.O. 14176

Summary  
The document contains two separate FBI reports from April 1968, detailing telephone inquiries and witness statements related to potential threats against Martin Luther King Jr. The first report, dated April 7, 1968, describes a collect call attempt to the White House from a payphone in Lansing, Michigan, where the caller claimed to have information about King’s assassination. The operator refused the call without a name, and the caller hung up after stating the assassin was located 20 miles outside Tennessee. The call was traced to a Burger King on East Grand River Avenue, Lansing.  

The second report, dated April 5, 1968, involves an informant named Bob McGowan, believed to be affiliated with the Miami FBI office. It details interviews with two attendants and the owner of an Esso service station in Tennessee. Fredric Alvin Dorris, one attendant, denied involvement in dynamite-related activities or knowledge of King’s assassination, citing a birth defect causing involuntary tremors. Perry Sweatman, another attendant, described a Florida man who wrecked a Mustang en route to Tennessee and provided physical descriptions of the individual. Both men denied any connection to claims made by McGowan.  

Key People  
- George Voorhies (Michigan Bell Telephone Company manager)  
- Fredric Alvin Dorris (Esso service station attendant)  
- Perry Sweat,man (Esso service station attendant)  
- Bob McGowan (informant linked to Miami FBI office)  

Key Locations  
- Lansing, Michigan (Burger King payphone location)  
- Tennessee (Esso service station and alleged incident involving Mustang wreck)  
- Florida (described as the origin of the man involved in the Mustang wreck)  

Key Events  
- April 7, 1968: Collect call attempt to White House regarding King’s assassination, traced to Lansing, Michigan.  
- April 5, 1968: Interviews with Esso service station employees in Tennessee about a Florida man linked to a Mustang wreck and potential threats against King.  

Key Organizations  
- Federal Bureau of Investigation (FBI)  
- U.S. Department of Justice  
- Michigan Bell Telephone Company  
- Esso Service Station (Tennessee location)

MLK Declassified Files

44-hq-38861_hs1-233652821_01-04-part_01_of_10.pdf

Document Summary

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