Emerging from behind the Stemmons Freeway sign in the Zapruder
film, the president is clutching at his throat as the First Lady turns toward
him. In the right frame(bottom) a dark-complected man, standing next to
edge of umbrulla by the sign), raises a clenched fist in a seeming sort of gesture.
Could this have been an anti-Castro representative, reminding JFK right
before his execution of the anti-Castroites unity in displeasure at his
failure to provide air cover for the Bay of Pigs regiment that was soundly defeated