Was it the Mob, was it Castro, Who Murdered JFK? Closing Segment from 2013 Jack Andersen Docu

This is the "poison pill" they used on witnesses, right here, to get them to lie. There's be a nuclear war with Cuba & the USSR if the witnesses didn't lie, is wht they supposedly were told. Jack Anderson is most likely lying about the big picture here. First, he says Castro sent the CIA guys to kill Kennedy, that's not who sent them. Second, he portrays the assassination as an unfortunate oversight in security procedures, everyone should recognize this con by now.
Marina says many interesting things in the opening interview. This is the good part of this movie, dont watch the rest it'll put you to sleep. But it's here-
https://rumble.com/v2wdyjs-jack-andersen-2013-who-murdered-jfk-documentary.html