Sunday, November 24, 1963, while he was handcuffed to Detective Jim Leavelle and as he was about to be taken to the Dallas County Jail, Oswald was shot and fatally wounded in the basement of Dallas Police Headquarters by Jack Ruby , a Dallas nightclub operator who said that he had been distraught over the Kennedy assassination. The shooting by Ruby was televised, as Oswald's transfer was being covered by the media. Oswald was taken unconscious by ambulance to Parkland Memorial Hospital where he died at 1:07 p.m.. The ten-month investigation of the Warren Commission of 1963–1964 concluded that President Kennedy was assassinated by Oswald and that Oswald had acted entirely alone. This decision has been subject to much dispute, and doubts and conspiracy theories persist. January 30, 1835: Just outside the Capitol Building , a house painter named Richard Lawrence aimed two pistols at the President, but both misfired. Lawrence was apprehended after Jackson beat him severely with his cane. Lawrence was found not guilty by reason of insanity and confined to a mental institution until his death in 1861. [ 8 ] February 23, 1861: The Baltimore Plot was an alleged conspiracy to assassinate President-elect Abraham Lincoln en route to his inauguration . Allan Pinkerton , eponymous founder of the Pinkerton National Detective Agency , played a key role in protecting the president-elect by managing Lincoln's security throughout the journey. Though scholars debate whether or not the threat was real, Lincoln and his advisers took actions to ensure