https://en.wikipedia.org/wiki/Mary_Pinchot_Meyer
She was murdered out in the open.
Well connected, her brother-in-law was Ben Bradlee of the Washington Post.
A definite paramour of JFK’s, her death was obviously accomplished to silence her and probably as a warning to others.
Another chapter of the tale is the search for her diary after her death, which chronicled the affair.
See the above article for the information regarding that.
There was a vested interest in keeping “Camelot” alive after JFK’s death, and Meyer was an inconvenient roadblock which could have derailed it.
Some say the movie “An American Affair”-2008-with Gretchen Mol, parallels the story of Meyer, including the murder of Mol’s character, who plays a fictional JFK mistress.
My #67