I believe Jackie was a junkie, as well. Her doctor was her supplier. (I think her doctor was JFK’s doctor — “Dr. Feelgood”.)
” ... Jackie was a junkie, as well.”
She was fed up with his philandering.
That fateful day in Dallas, she had a bellyful of goofballs and a Colt .38 palmed.
When the SHTF, she saw her chance and plugged him right in the grape.