Example image of eyePlorer eyePlorer map for 'John M. Lloyd': 1892 Abraham Lincoln assassination December 18 Washington, D.C. Federal government of the United States Mary Surratt Clinton, Maryland Prince George's County, Maryland 1865 April 14 Solitary confinement David Herold George Atzerodt John Surratt Military tribunal Monkey wrench March 13 Mount Olivet Cemetery (Washington, D.C.) Ees (place name)