India, March 19 -- Gary Underhill was a former CIA agent whose death remains shrouded in mystery after he alleged that the "agency was responsible for President John F. Kennedy's assassination".

On Tuesday, 1,123 pages of documents related to Kennedy's assassination were released, adding to the over 5 million pages already disclosed. These newly released JFK files have renewed interest in Underhill's story, as they suggest he feared for his life after making these claims.

Underhill, who had intelligence connections, reportedly fled Washington, D.C., immediately after the assassination. He sought refuge with friends in New Jersey, where he expressed deep fear and urgency.

"The day after the assassination, Gary Underhill left Washington ...