Washington policeman, William Henry Crook, was assigned as a White House guard starting in January 1865 and remained as a White House
employee long after the assassination. He accompanied the First Family when it went to the Richmond front in March 1865. Crook was on duty on April 14, 1865 before President Lincoln was assassinated. When the evening guard did not show up, Crook stayed on for a second shift. He did…