EXTREMELY SENSITIVE CONTENT – 18+ ONLY
This article discusses a historical war crimes trial and public execution following the American Civil War, including details of mass death in a Confederate prisoner-of-war camp, the Belligerent Conduct trial of Henry Wirz, and his hanging in 1865. It is written solely for educational and historical purposes: to provide factual information about Camp Sumter (Andersonville), the scale of suffering in Civil War prisons, the first U.S. war-crimes trial, and the post-war quest for accountability. It does not glorify violence, revenge, capital punishment or any form of extremism.
The Vengeful Execution of the Commandant of Camp Sumter – Henry Wirz
1. Camp Sumter (Andersonville) – One of the Deadliest Prison Camps in American History
Camp Sumter, better known as Andersonville, was a Confederate military prison near Andersonville, Georgia, operational from February 1864 to April 1865.
Peak population: ~33,000 Union prisoners of war (mostly enlisted men).Official death toll: 12,913 documented deaths (nearly 40% mortality rate) – the highest death rate of any Civil War prison camp, North or South.
Main causes of death:Starvation and severe malnutrition (daily ration often <½ pint of cornmeal + small piece of meat or none at all).
Typhus, dysentery, scurvy, and chronic diarrhea from polluted water (prisoners drank from the same stream that served as latrine).
Exposure (no shelter beyond crude log huts built by prisoners themselves; Georgia summer heat and winter cold).
Overcrowding (originally designed for 10,000 men, held 3× that number).
The Confederate government and local commanders blamed shortages caused by the Union blockade and the refusal of the U.S. government to resume prisoner exchanges after 1863. Historians generally agree that deliberate neglect, incompetence and the refusal to provide adequate food, shelter or medicine played major roles.
2. Who Was Henry Wirz?
Heinrich Hartmann Wirz (born 1823 in Switzerland) immigrated to the United States in the 1840s, worked as a physician’s assistant and later claimed medical qualifications (disputed). He joined the Confederate army in 1861 as a private, was wounded, and in 1864 was appointed commandant of Camp Sumter by General John H. Winder (overall commander of Confederate prisons).
Wirz arrived in March 1864 and remained commandant until the camp was evacuated in April 1865. He had direct authority over daily operations, prisoner rations, sanitation (or lack thereof), guard conduct, and punishment of prisoners.
3. Post-War Arrest and Trial (May–November 1865)
After the Confederacy collapsed, Wirz was arrested by Union forces in May 1865 near Andersonville. He was transferred to Washington, D.C., and became the only Confederate official tried for war crimes by a U.S. military commission.
The trial (August 23 – November 6, 1865) was held in the Old Capitol Prison (site of the present U.S. Supreme Court building). Charges included:
Conspiracy to impair the health and destroy the lives of prisoners.Murder (specific killings attributed to guards under his command).Torture and inhuman treatment.
Over 140 witnesses (former prisoners, Confederate officers, civilians) testified. Many described:
Wirz personally beating prisoners with a revolver or stick.Ordering or allowing guards to shoot prisoners who crossed the “dead line” (a perimeter rail inside the stockade).Deliberately withholding food and medical supplies.Threatening prisoners with dogs and forcing them to remain in the polluted swamp area.
Wirz’s defense argued:
He was only following orders from superiors (Winder, Seddon).Shortages were caused by the Union blockade and collapse of Confederate logistics.He had no authority to change policy.
The military commission rejected the “superior orders” defense (a precedent later cited at Nuremberg). On November 6, 1865, Wirz was found guilty on most counts and sentenced to death by hanging.
President Andrew Johnson refused clemency despite a petition signed by thousands.
4. The Execution – November 10, 1865
Wirz was hanged at 10:30 a.m. on November 10, 1865, in the courtyard of the Old Capitol Prison, Washington, D.C.
A crowd of approximately 250 invited witnesses (journalists, officers, politicians, some former prisoners) was present.
The gallows were simple wooden scaffold with a trap door.Wirz walked calmly to the platform, wearing a black suit and carrying a crucifix.He made a short final statement professing innocence and asking for forgiveness.
The trap was sprung at 10:32 a.m. Death was by long drop; his neck was broken instantly (unlike many short-drop hangings that caused slow strangulation).
His body was cut down after 30 minutes, placed in a plain coffin and buried in the Mount Olivet Cemetery, Washington, D.C. (later moved to a family plot in 1869).
5. Why the Execution Was Seen as “Vengeful”
Wirz was the only Confederate official executed for war crimes after the Civil War (no other camp commandant or high-ranking officer faced a similar fate).
The trial was conducted by a military commission (not a civilian court), with limited defense rights.Many Southerners and later Lost Cause advocates viewed him as a scapegoat who took the blame for systemic failures of the Confederate prison system.
Northern public opinion and Radical Republicans demanded a symbolic execution to show that war crimes would not go unpunished.
The public hanging in the capital was intended as a clear message: the Union would hold individuals accountable.
Historians remain divided:
Some view the trial and execution as justified given the documented suffering at Andersonville.
Others see it as “victor’s justice” and note that Union prison camps (e.g., Elmira, Point Lookout) also had high death rates, yet no Union officials were prosecuted.
Henry Wirz, commandant of the notorious Andersonville prison camp, was tried, convicted and publicly hanged on November 10, 1865, in Washington, D.C., becoming the only Confederate officer executed for war crimes after the Civil War. His execution was intended as both justice for the ~13,000 Union prisoners who died at Camp Sumter and a political statement by the victorious Union. The case remains controversial — a symbol of accountability for some, and of selective retribution for others — but the scale of suffering at Andersonville is undisputed.
Sources (main references):
United States War Department – Official Records of the War of the Rebellion, Series II (Prisoners of War), Vol. 8.Trial of Henry Wirz – Court Proceedings (Washington, 1865) – Library of Congress.
“The Trial and Execution of Henry Wirz” – U.S. House Report No. 23, 40th Congress (1867).
“Andersonville: The Last Depot” – William Marvel (1994).
“The Business of Captivity: Elmira and Its Civil War Prison” – Michael P. Gray (2001) – comparative context.National Park Service – Andersonville National Historic Site official history.
Library of Congress Chronicling America – contemporary newspaper coverage (November 1865).