Pseudonym: Slingland, Donald

104-10260-10304: DISPATCH: SUBJECT - CESAR DIOSDADO, U.S. CUSTOMS AGENT, KEY WEST FLORIDA

06/05/62: Dispatch from COS, JMWAVE to Chief, Task Force W: Page 2: ..."6. Subject states that he has been accused or suspected by most Cubans on the Keys as being affiliated with U.S. Border Patrol, the Sheriff's Office of Monroe County, and as working with and for the FBI and/or CIA. Subject said he has never mentioned his affiliation with CIA to anyone other than CIAers. Subject further reported that he had a wonderful working relationship with Donald P. Slingland of JMBARR and that if he is allowed to continue working with Slingland, they can do a tremendous job for CIA..." Page 3: ..."15. (Raymond) Pochron's home telephone number and address were furnished to Subject with the suggestion that in the event anything happened on the Keys and he could not contact the Chief of Base, JMBARR, or Mr. Slingland, the Security Officer at that Base, that he telephone Pochron regardless of the hour. Subject agreed to do this..."

104-10172-10045: DISPATCH: CONTACTS OF ROBT. HUBBELL AND IDENS

06/23/61: Dispatch from COS, JMWAVE to Chief, WHD: "1. The following paragraphs summarize the contacts which Robert D. Hubbell established and which will need to be continued in one form or another...5. AMDENIM-1. He is Identity H. He has known Hubbell as Identity D (Bill Williams - see page 4). He is also in touch with Bertrand R. Jobes and Donald F. Slingland at BARR...Stanley R. Zamka."

104-10172-10143: PERSONAL RECORD QUESTIONNAIRE PART 11 - OPERATIONAL INFORMATION

10/10/62: PRQ Part II - Operational Information: AMDENIM-1: ..."3. List other case officers who have handled subject or whom he knows or has known. Give names by which they have been known: Other case officers who have handled Subj. include Dominic I. Panteleone and Theodore R. Windecker. Staff employees whom Subj. knows include Donald P. Slingland and Charles J. Hostynski."