Presidency of John F. Kennedy killed Oswald due to his own grief over Kennedy's death, but the assassination of Kennedy and the death of Oswald gave rise to enormous speculation that Kennedy had been the victim of a conspiracy. Kennedy was succeeded as president by Lyndon Johnson, who stated on November 27 that "no memorial or oration or eulogy could more eloquently honor President Kennedy's memory than the earliest possible passage of a civil rights bill for which he fought so long." President Johnson created the Warren Commission—chaired by Chief Justice Earl Warren—to investigate the assassination. The Warren Commission concluded that Oswald acted alone in
Assassination of John F. Kennedy the Kennedy assassination and that killing Oswald would spare "... Mrs. Kennedy the discomfiture of coming back to trial." An Italian Carcano M91/38 bolt-action rifle (see 6.5×52mm Mannlicher–Carcano cartridge) was found on the 6th floor of the Texas School Book Depository by Deputy Constable Seymour Weitzman and Deputy Sheriff Eugene Boone soon after the assassination of President Kennedy. The recovery was filmed by Tom Alyea of WFAA-TV. This footage shows the rifle to be a Carcano, and it was later verified by photographic analysis commissioned by the HSCA that the rifle filmed was the same one later identified as the