John F. Kennedy assassination rifle HSCA tests proved conclusively that the claim was not accurate. In 1972 the Kennedy family chose John K. Lattimer, MD as the first nongovernmental expert to examine evidence taken at Kennedy's autopsy. Lattimer performed ballistic tests and other research to prove that Lee Harvey Oswald was likely the sniper who shot and killed President John F. Kennedy from the Texas School Book Depository in Dallas. Dr. Lattimer frequently performed a demonstration of Oswald's shooting, firing three well-aimed shots within 8.3 seconds with Carcano M91/38 and under the same firing conditions. By doing so Dr. Lattimer intended to prove that Oswald
USS John F. Kennedy (CV-67) USS John F. Kennedy (CV-67) USS "John F. Kennedy" (CV-67) (formerly CVA-67) is the only ship of her class (a variant of the "Kitty Hawk" class of aircraft carrier) and the last conventionally powered carrier built for the United States Navy. The ship is named after the 35th President of the United States, John F. Kennedy, and is nicknamed "Big John." "Kennedy" was originally designated a CVA (fixed wing attack carrier); however, the designation was changed to CV to denote that the ship was capable of anti-submarine warfare, making her an all-purpose carrier. After nearly 40 years of service in