Marita Lorenz claims to have been Castro's mistress, and a participant in a caravan of plotters who travelled from Miami to Dallas. Her credibility is discussed in this excerpt from Gaeton Fonzi's The Last Investigation.

Judyth Vary Baker claims to have been Lee Oswald's girlfriend in New Orleans in the Summer of 1963, and to have participated with him in a secret bioweapons program.

Madeleine Brown claims to have been Lyndon Johnson's mistress, and to have attended a sinister party the night before the assassination.