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
John F. Kennedy Presidential Library and Museum with a bank of yellow chrysanthemums sat the Kennedy family and those close to them. Among many others, President Jimmy Carter was in their company. The ceremony began with President Kennedy's daughter, Caroline Kennedy, introducing her brother, John F. Kennedy, Jr., who read from the Stephen Spender poem, "I Think Continually of Those Who Were Truly Great". President Carter said of John F. Kennedy that he embodied "the ideals of a generation as few public figures have ever done in the history of the earth." He spoke of openly weeping upon hearing about the death of Kennedy, something that he