I know nothing about Solie and I don't believe he had any involvement with Clay Shaw.
Fred,
National Archives habitue Malcolm Blunt suggests in the video that the CIA's primary mole hunter, probable KGB agent Bruce Solie in the Office of Security, helped Garrison prosecute Clay Shaw.
Given that, it's a pity you "know nothing" about him.
Here's an article I wrote about Solie which Wikipedia refused to publish because "not enough established authors have written about him." LOL
https://en.everybodywiki.com/Bruce_Leonard_SolieSomeone who did write (scathingly) about Solie in his 2007 Yale University Press book,
Spy Wars: Moles, Mysteries, and Deadly Games, was Yuri Nosenko's former CIA case officer, Tennent H. Bagley.
You can read Bagley's book for free by googling "spy wars" and "archive" simultaneously.
(Wikipedia did publish my article on Bagley, btw.)
Keep up the good work, Fred!
I particularly appreciate your showing us that J. Kenneth McDonald of the CIA's history department really messed up in 1992 when he published a cobbled-together 82-page memo that made it look as though Shaw was a "highly paid contract source" for the CIA instead of the highly valued contact source from 1948 to 1956 that he was.
-- Tom