Was Jefferson Davis Right?

Jefferson Davis, captured, imprisoned, and charged with 1) conspiracy and culpability in the assassination of Abraham Lincoln; 2) conspiracy to cause the deaths of Northern P.O.W.'s at Andersonville, Georgia, a detention camp; 3) participating in and attempting to assist in the growth of the system of slavery; and 4) treason against the United States of America, was never afforded his constitutional right to a trial.