Amaryllis Fox Kennedy's work with the CIA was limited to a particular role. She wrote a book about it.
Fox Kennedy has not worked with the CIA since 2010.
https://www.menshealth.com/entertainment/a33336281/who-is-amaryllis-fox-the-business-of-drugs/
She's also RFK's Daughter-In-Law, and a much more efficient campaign manager than Dennis Kucinich was.
Trump, he promised to release the files, then backtracked. He told Napolitano that he couldn't release them, and "if you saw what I saw", "you wouldn't release them, either". Additionally, we know Trump knows a LOT about 911 but he did NOTHING to put forward 911 truth.
You can argue a Trump second term is in our better interest for Potus than RFK Jr. if you want to do that. It is at least a tenable position.
What you can't argue is that a Trump second term would be more likely to share conspiracy truths with the public than RFK Jr.