It is described as a 1978 deposition with interviewer Sanders.
Until you find it,
Gaudet to Fensterwald in 1975 :
https://www.archives.gov/files/research/jfk/releases/180-10112-10390.pdfhttp://www.whatsnextreport.com/uploads/2/6/6/9/26693570/nodulex33-misc_info.pdfPage 44 :
William Gaudet died circa January 15, 1981. He was 72 years old. William Gaudet had
a close association with the CIA, but evidence suggested he was not involved with
OSWALD, although he moved in the same circles.
FBI: FOIA 225,212 William George Gaudet 82-1602 inc. 97-3236-1-; 64-23999-1-; 140-
3794-1-; 64-4560-1-; 109-12-222-11; 44-169-490; FOIA file William George Gaudet
Main file 82-1602 inc. 64-23999-1-; 100-434918-1-; FOIA file See References; 109-12-
222-1-; Documents 1-36; FBI 105-82555-454; Gaudet calls FBI 11.27.63 NO File 44-
2064 John William Miller; FBI Interview with Gaudet 11.27.63 89-69 Miller; FBI 62-
109060-129; 64-23999-1,2,3, 4 w/h, 5 w/h,6,7,8, NR 1.19.68; NR 1.5.68 enclosure w/h,
9, 10, 11, 12, 13, 14. Interview Stone/Gaudet/Fensterwald; Stone Interview 5.7.75; CIA:
File on Gaudet F82-0381-1-6 3.16.48, 4.28.48, 5.14.48. 8.19.48, 3.10.48, 5.9.49 all
denied and are not even identified. F82-0381/7-8 released in part; WCD: 15; WCD 4
650, 644,649, 589;CD 75 FBI 100-19467-16; Bitter Fruit-Schlesinger-Kinzer-Anchor
Books 1983; DOS FOIA documents on Gaudet Freedom of Information Act Case No.
8200957; Waveland, Mississippi Sun 1.21.81, Sun/Daily Herald 11.22.80 Biloxi,
Mississippi. FBI FILE Numbers on Gaudet: 100-0-13855; 109-20-1; 67-714-1688; 109-
45-139; 65-1815; 98-0-10; 105-1257-62; 44-2064-64, 72, 158; 89-69-34 p4 also 629;
100-16601-98; New Orleans FBI 100-0-13858; 109-251 (12.55); 67-714-1088; 109-45-
139; 65-1815; 98-0-10 NKI; 105-1257-62; 100-10903-1286.