Every investigation (and there has been more than one) has consistently determined that Lee Harvey Oswald fired the shots that killed President Kennedy and wounded Texas Governor Connally. No investigation was ever able to substantiate that a conspiracy existed, or to prove that any other person was definitely involved. The president was riding in his open limousine, his back to the Texas School Book Depository, where, on the sixth floor, Oswald was said to have been perched. His rifle, propped up by book cartons, was aimed directly at the back of the president's head.