Released under the John F. Kennedy Assassination Records Collection Act of 1992 (44 USC 2107 Hote). DATE: 11-14-9017 ! RECORD SERIES : AGENCY FILE NUMBER: ORIGINATOR : FROM: TO: TITLE : DATE: ‘PAGES: SUBJECTS : DOCUMENT TYPE : CLASSIFICATION : RESTRICTIONS : CURRENT STATUS : DATE OF LAST REVIEW: OPENING CRITERIA : COMMENTS : v9.1 Docld:32149767 Page 1 ” AGENCY : RECORD NUMBER: Va ak a aueenrataer an Wy ew Identification Form Agency Informati on FBI 124-10087-10143 HQ 62-109060-7699 Document Information FBI SAC, DL 04/06/1977 18 JR, ASSOC PAPER, TEXTUAL DOCUMENT Unclassified 4 Redact 01/06/1999 INDEFINITE Poaers ae BU me tte
Released under the John F. Kennedy Assassination Records Collection Act of 1992 (44 USC 2107 Hote). DATE: 11-14-2017 4 UNITED STATES DEPARTMENT OF JUSTICE . |. FEDERAL BUREAU OF INVESTIGATION Dallas, Texas In Reply, Please Refer to April 6, 1977 File No. ASSASSINATION OF PRESIDENT , JOHN FITZGERALD KENNEDY NOVEMBER 22, 1963, . aD eat DALLAS, TEXAS ee g . On March 2, 1977, Robert J. Potrykus, Chief, - Intelligence Division, Internal Revenue Service, Dallas, . Texas, hand-delivered a letter to Ted. L. Gunderson, | Special Agent in Charge, the Dallas FBI office. The letter is on Internal Revenue Service stationery, and states as follows: "Dear Mr. Gunderson: “Recently, Arlen Fuhlendorf, a Group Manager: in ‘the Dallas Intelligence Division, received information from a confidential informant that might be helpful in the investigation of the Kennedy assassination. . "The informant stated that on the morning of the assassination, Ruby contacted him and asked if he C would 'like to watch the fireworks.' He was with Jack Ruby and standing at the corner of the Postal Annex Building facing the Texas School Book Depository Building at the time of the shooting. Immediately after the shooting, Ruby left and headed toward the area of the Dallas Morning News Building. . , i "Tf you desire, Gréup Manager Arlen Fuhlendorf can be available tediscuss, this matter with your agency. Group Manager Fuhlendorf ‘can be contacted at 749-1801. i REVIEWED BY EBI/JFK TASK PORCE ] RELEASE IN FULL - ay) ton ck pokes ~~ ; " s obert J. ro) rykus (RELEASE IN PART chiheRobert J. Potrykus C TOTAL DENIAL oa | 7 This document:contains neither recommendations nor conclusions of the FBI. It is the property. of the FBI and is loaned to your agency; it and GORUTIC its contents are not to be distributed outside fo your agency. | : Lo 10 904 om 7697. ie oe act "Sincerely yours, » g i 5 i “WN We? anehiCayy 4 Docld: 327149767 Page 2?
Released under the John F. Kennedy Assassination Records Collection Act of 1992 (44 USC 2107 Hofer. DATE: 11-14-2017 ) an ( | — Na ASSASSINATION OF PRESIDENT JOHN FITZG#RALD KENNEDY On the afternoon of March 2, 1977, Special Agent Udo H. Specht, Dallas FBI office, attempted to telephone Group Manager Fuhlendorf, but he had already gone home for the day. On the morning of March 3, 1977, Special Agent | Udo H. Specht, Dallas FBI office, telephonically contacted Group Supervisor Arlen Fuhlendorf, Internal Revenue Service, Intelligence Division, Dallas, Texas, concerning the © information in the above letter. Fuhlendorf' advised that it is a policy of the Internal Revenue Service that before > the Internal Revenue Service can release the identity of an informant, that it has to obtain the consent of the informant. He will attempt to contact his informant and obtain this consent. He will contact Special Agent Specht . as soon as he has contacted his informant. Once the consent. is obtained, he will introduce Special Agent Specht ‘to the informant, in order that the FBI can interview him. This © informant has ‘been out of town quite a bit, and it might | take a few days to contact him. wy. sf During the afternoon of March 4, 1977, Mr. Fuhlendorf advised that: his informant is Bob\Vanderslice, and that he - is in his office now. He is sending Vanderslice to the FBI office to be interviewed, and that Vanderslice will be at the Dallas FBI office at 2:30 PM, March 4, wk977 . At 2:25 PM, March 4, 1977, AVanderslice,, who furnished his address as 502 Monte Vista, Dallas, Texas, — Telephone Number 327-7656, telephonically contacted Special Agent Udo H. Specht and stated that on the way to the FBI office, he bumped his. lip, and that it is bleeding severly. He said he found out’a few days ago that he has cancer of the lip, and also has a herpes sore in the area where his lip is bleeding. He stated that he will be at the FBI office at 8:00 AM on March 7, 1977, to furnish. the information. Bob Vanderslice did not personally appear at the | Dallas FBI office on March 7, 1977, nor did he telephonically contact the office in an effort to make other interview arrangements. Docld:327149767 Page 3
Released under the John F. Kennedy Assassination Records Collection Act of 1992? (44 USC 2107 Hote}. DATE: 11-14-2017 ASSASSINATION OF PRESIDENT JOHN FITZGERALD KENNEDY At .3:00 PM, March 7, 1977, Special Agent Specht telephonically contacted Mr. Vanderslice' s residence. A woman, who identified herself as Mrs. Vanderslice, advised that her husband was not at home, and that-she would give © him the message to contact Mr. Specht. On the afternoon of March 7% 1977, efforts were | made to contact Group Manager ArlenxFuhlendorf, Internal Revenue Service, Dallas, Texas, b t his secretary advised that he is at a meeting all week long. A méssage was left: to have Mr. Fuhlendorf contact Special Agén On March 14, 1977, Arlen LA Fuhlendorf, Group Manager, Internal Revenue Service, Intelligence, Datlas, Texas, telephonically contacted Special Agent Specht, FBI, Dallas, Texas, and advised that he was at a school all last. week, and therefore, could not get in contact with Special Agent Specht. He was advised that Bob Vanderslice to date — has not made himself available to be interviewed by the Dallas office of the FBI. Fuhlendorf. advised that Vanderslice has been furnishing information ‘to Internal Revenue Service in connection with a special enforcement program that Internal Revenue Service Intelligence has concerning the criminal element. Vanderslice has furnished information to Internal Revenue Service on local Dallas bookmakers. Fuhlendorf- advised: that as far as he knows, that the information that | Vanderslice furnished has been reliable. Fuhlendorf advised that when he ‘last talked to Vanderslice on March 4, 1977, that Vanderslice asked him that if he talked to the FBI, what : use would be made of the information. Fuhlendorf. told Vanderslice that he might get a free trip to Washington to testify before a Congressional Committee concerning his information. .Fuhlendorf. stated that Vanderslice might have had second thoughts after he told him that. Fuhlendorf advised that several weeks ago, specific date unrecalled, he met Vanderslice at the restaurant » located on the twenty-fifth floor of the Manor House, \ Commerce Street, Dallas, Texas. Fuhlendorf stated that Vanderslice talked to him about CandyMedrr, a former stripper. in one of Jack Ruby's nightclubs. This conversation led to , - TK | NY n 3 : Docld:327149767 Page 4
Released under the John F. Kennedy Assassination Records Collection Act of 19927 (44 USC 23107 Hote). DATE: {1-14-2017 / ~ ASSASSINATION OF PRESIDENT JOHN FITZGERALD KENNEDY Vanderslice discussing his knowledge of Ruby. Vanderslice | _told him that on the morning of the assassination, Jack Ruby called him on the telephone and asked him if he would like to go to the Presidential Parade with him, and if he ~ would "like to watch the fireworks." Vanderslice said that . he was with Jack Ruby and standing at the corner of the Postal Annex Building. facing the Texas School. Book Depository Building, at the time of the shooting... Immediately after the shooting, Ruby left and headed toward the area of the Dallas' Morning News, Building, without saying anything to him. . Vanderslice also told him that after Jack Ruby _was arrested for killing Lee Harvey Oswald, that he was ’ also arrested on-.an unrelated criminal charge, and incarcerated at the Dallas County Jail. .Vanderslice got..to know Ruby better in the County Jail, since he was a trustee at the. jail, and as Ruby's mind began -to deteriorate, he would perform services for him, like bring him his food and reading material, because Ruby became very suspicious’ and felt that someone was. trying to poison his food.and do him harm. Fuhlendorf: advised that when he ‘initially got - the information from Vanderslice, he put this information | in.a memorandum for the Internal Revenue Service National Office to be disseminated to Congressman Downing's Committee. The National Office returned’ the memorandum to Dallas, Texas, and told Internal Revenue Service to disseminate the ~ information to the FBI in Dallas. + Mr. Fuhlendorf advi that he has not seen the ‘memorandum since Robert J/fPotrykus=Chief, Intelligence © f Division, Internal Revenue Service, Dallas, Texas, had it - prior to delivering the letter to the FBI in Dallas. Fuhlendorf was requested to furnish a copy of the memorandum to the FBI, but he did not respond to that. request, and stated that he did not know where the memorandum was. Fuhlendorf. will attempt to call Vanderslice to determine why he has not made himself available for interview. Docld: 327149767 Page 5
Released under the John F. Kennedy Assassination Records Collection Act of 1997 (44 USC 2107 Hote}.- DATE: 11-14-2017 a ray . ASSASSINATION OF PRESIDENT JOHN FITZGERALD KENNEDY Mr.. Fuhlendorf is being transferred to Fort - Worth, Texas, -as (Of. March 15, 1977, and can be reached at 817- 334-3381. Special Agent Udo H. Specht, FBI, Dallas, Texas, telephonically contacted Mr. Vanderslice's residence | during the morning, afternoon, and evening hours on - March 11; March 14; March 15,; March 21; March 22; March 24; April 4; and April 5, 1977, but-.no one responded. On March 22, 1977, Special Agent Udo H. Specht, FBI, Dallas, Texas; personally went to Mr. Vanderslice's — residence, 502 Monte Vista, Dallas, Texas, but no one could be located at the residence. A message was left at the _ ' residence for Mr. Vanderslice to contact Mr. Specht. On March 28, 1977, Special Agent Specht telephonically contacted Mr. Vanderslice's residence, and his wife ™ ‘answered the telephone. She stated that she gave him the message to contact Mr. Specht, and that she also received the note that Mr. Specht left in the mailbox. She advised that her husband has. been out’ of town, and should be | home sometime this week. She advised that she will give | him the message to contact Mr. Specht. On April 5, 1977, Arlen L. Fuhlendorf, Special | Agent, Internal Revenue Service, Intelligence Division, Fort. Worth, Texas, telephonically advised that he has utilized Bob Vanderslice as. an informant since March 4, 1976, and another Internal Revenue Service Agent had contact with him beginning . sometime in December, 1975. Fuhlendorf advised that Internal Revenue Service has been using: him in their special enforcement program concerning illegal criminal activities.. As a result of information furnished “i by Vanderslice, Internal Revenue Service has opened up approximately fifteen tax investigations, and thirty audit | examinations. He advised that in. the past he has considered _ Vanderslice reliable, but -that he does-not know whether or not Vanderslice was truthful concerning the information he ~ furnished about Jack Ruby. He advised that he has not . personally talked to Vanderslice since March 4, 1977, and that . ' Vanderslice has not returned his telephone calls. Fuhlendorf advised that he has: talked to Vanderslice's wife twice since Docld:371492967 Page 6
Released under the John F. Kennedy Assassination Records Collection Act of 1992 (44 T38T Fiuy Hote). DATE: “11-14-2017 « . ee . { ” > rs . ASSASSINATION OF PRESIDENT JOHN FITZGERALD KENNEDY -March 4, 19.77, and left a message with her for Vanderslice | to call him. The last time he talked to her was last © Wednesday or Thursday, and she told him that Vanderslice | was in the Wichita Falls, Texas, area, trying to "make © a buck here and there." Fuhlendorf stated that on March 4, 1977, Vanderslice gave. him every indication that he was going to keep his appointment with ‘the FBI, and told him that > he knew where the office was located. He advised that the possibility. exists that Vanderslice might have been untruthful, or he could have gotten cold feet because of all the publicity surrounding the reinvestigation of the President Kennedy assassination. 6* Docld:371492967 Page 7