John Garrett Underhill Jr.

John Garrett Underhill Jr. was a CIA operative and former U.S. Army captain who gained notoriety for his claims regarding the assassination of President John F. Kennedy. Following the assassination in 1963, Underhill allegedly expressed fears for his life, suggesting that a faction within the CIA was responsible for JFK's death. He was found dead in his Washington apartment less than six months later, with the authorities ruling it a suicide, though his claims have fueled conspiracy theories surrounding the assassination.