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 Eternal Flame with the earth. Opposite his grave is a granite plaza designed by architect I. M. Pei and dedicated on December 6, 1971. A low granite wall similar to the one at the John F. Kennedy terrace contains quotations from famous Robert F. Kennedy speeches, and a small reflecting pool. As with his brother, Robert Kennedy's first grave was a temporary one, about upslope from its current location. The Kennedy grave site's approaches were altered at the time the Robert F. Kennedy memorial was built. Previously, the approach consisted of a series of long steps. But several individuals in wheelchairs appealed