 However, this conclusion has also been criticized, especially for its reliance upon disputed acoustic evidence.The HSCA Final Report in 1979 did agree with the Warren Report's conclusion in 1964 that two bullets caused all of President Kennedy's and Governor Connally's injuries, and that both bullets were fired by Oswald from the sixth floor of the Texas School Book Depository.As part of its investigation, the HSCA also evaluated the performance of the Warren Commission, which included interviews and public testimony from the two surviving Commission members (Ford and McCloy) and various Commission legal counsel staff.