...rtrell. The post was commanded by Colonel Gibbs, who, as before stated, was an old army officer; and the prison proper was under the immediate command of Captain Wirz, who was tried and executed at Washington , in 1865, most unjustly, as the verdict of impartial history will establish; just as will be the case in regard to Mrs. Surratt's horrible murder. The officers first named, and all others on duty...