So we know the Chicago Mafia helped JFK win Illinois and therefore beat Nixon in 1960. This is established fact.
There is a credible theory that it was the Chicago and Mafia and the CIA who plotted to kill JFK in 1963.
**What specific action did JFK take in the interim to motivate the Mafia to turn on him? **
I can think of several possible answers, but haven't researched JFK as deeply as many on here and I'd love to hear your well-reasoned opinions.
He appointed his brother Bobby as AG. They had a plan to get JFK re-elected and then Bobby elected so they selectively picked their causes. Causes that were bad for mafia business and worse for CIA business who used organized crime as their source of revenue to overthrow governments, start wars, etc. There’s a great book, I think called Crossfire. It was about Sam and Frank Giancana. It’s entertaining but certainly a lot of accurate scoop per some relatives who were associates of theirs.
Absolutely believable.