I’m quite familiar with the locale and informally interviewed a group of Cuban ex-pats that were on the peripheral of history unfolding at that time. Everything which I can recall from these conversations in the ‘70’s, has been confirmed from what I’ve read from the current JFK research databases.
In essence, the ‘old world’ -pre-internet has confirmed what modern researchers have dug out from decades of document disclosure. They discussed several of the failed Mongoose attempts which additionally validates their level of insider knowledge.
It’s a small world after all.