Jackie Onassis (pictured), the widow of President John F. Kennedy, believed Vice President Lyndon Johnson and a “cabal of Texas tycoons” plotted and carried out the assassination of her philandering husband, London’s Daily Mail reports.

Citing soon-to-be-released audio recordings, the Mail reports that “the former first lady felt that her husband’s successor was at the heart of the plot to murder him.”

She became convinced that the then vice president, along with businessmen in the South, had orchestrated the Dallas shooting, with gunman Lee Harvey Oswald — long claimed to have been a lone assassin — merely part of a much larger conspiracy.

Historian and Kennedy braintruster Arthur Schlesinger, Jr. recorded the tapes, the Mail reports, just after two bullets were delivered into Kennedy’s back and head on November 22, 1963 in Dallas, Texas, as the President’s convertible limousine rolled by.

Click here to read the entire article.