I was unaware of Dishong's name showing in any FBI report. The online FBI report (CE1381) at the History Matters web site is a searchable PDF, and she did not show up anywhere in that exhibit. I'm not sure her name was known in JFK lore until Roberdeau published his findings.
Her family's recollection were her identifying herself in a LIFE magazine photo as being the fourth person from the Stemmons sign. That seems like a Zapruder frame. I don't know if Betzner3 or Bronson were published in LIFE. I interpret his words about her appearing in Betzner and Bronson as Don's commentary.
James,
Going from memory here and I might be wrong, but I believe that although Dishong herself was not interviewed by, nor did she give a statement to, the FBI, she was mentioned in a FBI statement by at least one of the four gals in the Calvary/Hicks/Reed/Westbrook "party" as being a tangential member thereof.
Edit: Turns out I was very, very, very wrong about that. Just now re-read the FBI statements of Calvery, Hicks, Reed, and Westbrook and found no mention of Dishong therein. Don't know how I came up with that silly idea, now. Maybe because I looked for so many years at the Z-frame labeled by Robin Unger (with help from Thierry "Fake News" Speth and Robin "I'll Get It Right Eventually" Roberdeau, and it brainwashed me into thinking Dishong must have been standing next to Karen Westbrook during the motorcad?If Dishong's relative (or Dishong, herself) "identified" her/herself from behind in the Zapruder film or a Zapruder frame, one must wonder how accurate they could have possibly been (from behind!), and whether or not they were encouraged to pick out that particular mystery woman as "June".
We already know that Karen Westbrook mis-identified herself in a Zapruder frame in 2017, so apparently it's easy to do.
LOL
Regardless, it's my understanding that Betzner-3 was published in Life magazine in November, 1967.
http://droberdeau.blogspot.com/2011/05/page-10.html-- Mudd Wrassler Tommy