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 (horse) May, he ran in the Group 2 Dante Stakes at York and finished last of the seven runners, beaten by Golden Horn. After the race, trainer Aidan O'Brien said that he would not field John F Kennedy in the Derby. John F Kennedy's next start was Group 3 KPMG Enterprise Stakes at Leopardstown on 12 September, where he was beaten by Fascinating Rock and finished third out of five runners. Before the 2016 season, John F Kennedy was purchased by an Argentinian group of breeders and moved to California, U.S. He finished seventh out of eight runners in an allowance