President Abraham Lincoln is shot in the head at Ford’s Theatre in Washington, D.C. on April 14, 1865. The assassin, actor John Wilkes Booth, shouted, “Sic semper tyrannis! (Ever thus to tyrants!) The South is avenged,” as he jumped onto the stage and fled on horseback. Lincoln died the next morning. Booth, who remained in the North during the war despite his Confederate sympathies, initially plotted to capture President Lincoln and take him to Richmond, the Confederate capital. However, on March 20, 1865, the day of the planned kidnapping, the president failed to appear at the spot where Booth and...