Gun violence in the United States been made on U.S. presidents (over one-fifth of all presidents); four were successful, three with handguns and one with a rifle. Abraham Lincoln survived an earlier attack, but was killed using a .44-caliber Derringer pistol fired by John Wilkes Booth. James A. Garfield was shot two times and mortally wounded by Charles J. Guiteau using a .44-caliber revolver on July 2, 1881. He would die of pneumonia the same year on September 19. On September 6, 1901, William McKinley was fatally wounded by Leon Czolgosz when he fired twice at point-blank range using a .32-caliber revolver. Despite only being struck
Charles R. Skinner in Washington D.C. in 1882, and had been asked to attend the execution of Garfield's assassin, Charles Guiteau, but was unable to attend due to the illness of his daughter. He was invited to Czolgosz's execution by the warden of Auburn Prison, and attended as one of only twelve "official" witnesses to the execution as required by New York law. Less than two months after shooting McKinley, Czolgosz was executed on October 29, 1901 in Auburn Prison. Czolgosz was executed in the electric chair, an early usage of this new form of execution. Thomas Edison later re-enacted the execution in