Who Killed JFK's Mistress Mary Pinchot Meyer?

This is a damn good read!!! She met John F. Kennedy at a prep school dance and in the early 1960s, began an affair with the president that lasted until the time of his assassination. One year later, on Oct. 12, 1964, Mary Pinchot Meyer was shot dead while taking an afternoon walk on a Georgetown towpath in Washington, D.C., at age 43.Nearly fifty three years later, her murder remains via IFTTT