542 U.S. 507 (2004) · 2004
Hamdi v. Rumsfeld
Due ProcessNational SecurityWar PowersHabeas CorpusSeparation of PowersLandmark
Summary
The Court held that a U.S. citizen detained as an enemy combatant must be given notice and a fair chance to contest that classification before a neutral decisionmaker. The case was not an 8-1 ruling; the controlling result was a fractured 6-3 judgment with a four-justice plurality.
Background & Context
The executive branch held Hamdi in military custody after labeling him an enemy combatant. The Fourth Circuit deferred heavily to the government. The Supreme Court vacated and remanded for a process that let Hamdi contest the factual basis for detention.
The Question Before the Court
Can the government detain a U.S. citizen as an enemy combatant without giving him notice and a meaningful opportunity to challenge that classification before a neutral decisionmaker?
Petitioner
Yaser Esam Hamdi and Esam Fouad Hamdi, as next friend
Party asking the Court to review or reverse
Argued
- Hamdi argued that citizenship and detention in the United States triggered Fifth Amendment protections, including notice and a fair hearing.
- He argued that courts could not simply accept the executive branch's enemy-combatant designation without meaningful review.
Respondent
Donald H. Rumsfeld, Secretary of Defense, et al.
Party defending the judgment below
Argued
- The government argued that Congress authorized detention of enemy combatants through the AUMF and that such detention is a traditional incident of war.
- The government argued that courts should defer to executive military judgments about battlefield capture and enemy-combatant status.
The Holding
The Authorization for Use of Military Force authorized detention of a U.S. citizen captured in Afghanistan as an enemy combatant, but the Due Process Clause requires that a citizen held in the United States receive notice of the factual basis for that classification and a fair opportunity to rebut it before a neutral decisionmaker.
The Court
How the justices lined up in this decision.
6-3
Vote
Joined decision
6 justicesAM
Anthony Kennedy
Majority
DH
David Souter
Majority
RB
Ruth Ginsburg
Majority
SD
Sandra O'Connor
Majority
SG
Stephen Breyer
Majority
WH
William Rehnquist
Majority
Dissented
4 justicesAS
Antonin Scalia
Dissent
Justice Thomas
Dissent
CT
Clarence Thomas
Dissent
JP
John Stevens
Dissent
What this means for you
Hamdi rejected unchecked executive detention of U.S. citizens. It preserved some wartime detention authority but required notice and a neutral process before a citizen could be held indefinitely based only on an executive classification.
Key Takeaways
- A four-justice plurality concluded the AUMF authorized detention of enemy combatants, including citizens captured in Afghanistan.
- Six justices agreed Hamdi had to receive a meaningful opportunity to challenge his detention.
- The plurality applied due process balancing rather than accepting total executive deference.
- The decision did not require criminal prosecution or immediate release.
- The opinions sharply split over Congress's authorization and the lawful options for detaining a citizen.
Decision
6-3 plurality opinion
- Citation
- 542 U.S. 507 (2004)
- Vote
- 6-3
- Decision type
- Plurality opinion
- Argued
- April 28, 2004
- Decided
- June 28, 2004
- Term
- 2003
- Opinion author
- Sandra Day O'Connor
Justice O'Connor announced a four-justice plurality joined by Chief Justice Rehnquist and Justices Kennedy and Breyer. Justices Souter and Ginsburg concurred in part, dissented in part, and concurred in the judgment requiring an opportunity to challenge detention. Justices Scalia and Stevens dissented together, and Justice Thomas dissented separately.