Some of America's top national security officials had spent hours trying to assess any possible security hazards under extreme deadline pressure for the John F Kennedy assassination files.

Newly released documents related to President John F. Kennedy’s assassination in 1963 are giving curious readers more details Wednesday into Cold War-era covert U.S. operations in other nations but didn’t initially lend credence to long-circulating

A US intelligence officer who was later found dead believed the CIA was “responsible” for the death of President John F Kennedy.