Elizabeth Leonard talked about her book Lincoln’s Avengers: Justice, Revenge, and Reunion after the Civil War, published by W. W. Norton and Company. In the book she explored the role of Judge Advocate General Joseph Holt in the investigations and trials that followed President Lincoln’s assassination. The author paralleled the assassination of President Lincoln to the assassination of then Secretary of State, William H. Seward. Following her presentation, Ms. Leonard responded to questions and comments from members of the audience.