This is a memoir written by a White House bodyguard who took the job beginning during Lincoln's presidency and lasted for decades. From the intro: "It was in November, 1864, that four police officers were detailed by Mr. William B. Webb, who was then chief of police in the District of Columbia, to be a special guard for President Lincoln. They were to act on instructions from headquarters, and were also to be subject to any orders the President might give. The men were Elphonso Dunn, John Parker, Alexander Smith, and Thomas Pendel. All have since died. They reported immediately to the White...