"Killing Lincoln" is a historical narrative written by Bill O'Reilly and Martin Dugard. It details the events leading up to the assassination of President Abraham Lincoln on April 14, 1865, and the subsequent manhunt for his killer, John Wilkes Booth. The book combines historical facts with storytelling to provide a vivid account of this pivotal moment in American history. The narrative explores the political climate of the time, the impact of the American Civil War, and the motivations behind Booth's actions. It also highlights the key figures involved in the assassination and the efforts to capture Booth, culminating in his death on April 26, 1865.