Perry v. New Hampshire

Holding: The Due Process Clause does not require an inquiry into the reliability of an eyewitness identification when the identification was not procured under unnecessarily suggestive circumstances by law enforcement.

Judgment: Affirmed, 8-1, in an opinion by Justice Ginsburg on January 11, 2012. Justice Thomas filed a concurring opinion; Justice Sotomayor filed a dissenting opinion.

Briefs and Documents

Merits Briefs for Petitioner

• Brief for Barion Perry
• Reply brief for  Barion Perry

Amicus Briefs in Support of  Petitioner

• Brief for the American Psychological Association
• Brief for the National Association of Criminal Defense Lawyers
• Brief for Wilton Dedge et al.
• Brief for the Innocence Network Supporting Reversal

Merits Briefs for Respondent

• Brief for New Hampshire

Amicus Briefs in Support of Respondent

• Brief for the Criminal Justice Legal Foundation 
• Brief for the State of Louisiana et al. and the Territory of Guam
• Brief for the United States 
• Brief for the National District Attorney’s Association

Certiorari-stage documents

• Opinion below (N.H. S. Ct.)

• Petition for certiorari
• Brief in opposition
• Petitioner’s reply