October Term 2011 · Docket 10-8974

Does Due Process Exclude Suggestive Eyewitness Identifications Without Police Manipulation?

The dispute centers on whether the Constitution requires courts to exclude eyewitness identifications that are suggestive but not arranged by police.

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Perry v. New Hampshire
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Official Transcript

Verified source milestones

  1. — An official oral-argument transcript was verified.

The arguments, in order

This case may have been argued more than once. Each entry below uses that session's official transcript. Later arguments do not erase earlier ones.

  1. Argument 1 ·

    What happened at the argument

    Richard Guerriero argued that suggestive identifications present a unique danger of misidentification.

    He stated this danger implicates due process and requires a reliability evaluation.

    Justice Scalia questioned whether the rule treats prosecution and defense evidence equally.

    He asked why eyewitness identification receives special treatment compared to other evidence types.

    Read the official transcript for this argument · Official argument details

    Sources used for this argument breakdown

A citizen's guide to the whole case

What this case is about

This case tests the scope of due process protections for eyewitness testimony. The core issue is whether police involvement is a prerequisite for constitutional scrutiny of identification reliability.

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How the case got here

The Supreme Court heard oral argument in this case on November 2, 2011.

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What each side wants

the side that brought the case wants the court to exclude the identification because it was suggestive and unreliable.

The state wants the court to admit the identification because police did not manipulate the witness.

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What each side says

the side that brought the case argues suggestive identifications create a unique danger of misidentification that requires a reliability review.

The state argues due process applies only when police arrange a confrontation and use unnecessarily suggestive techniques.

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What the justices asked

Justice Scalia asked if the rule excludes unreliable defense testimony in the same way it excludes prosecution testimony.

Justice Scalia asked why unreliable eyewitness identification differs from other unreliable evidence in criminal cases.

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Why it matters

This case defines the constitutional limits on eyewitness evidence. It determines when courts must screen identifications for reliability. The outcome shapes criminal trial procedures nationwide. It affects the balance between accurate convictions and procedural fairness.

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What happens next

This article currently covers the argument record. Use the official docket link for later case activity.

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Official Court provenance

Official docket and case history · Official Supreme Court oral-argument detail page

Title and summary sources

Revision history

  1. Revision 1 · Official Transcript ·

    Correction: Rewritten to the concise citizen-facing editorial standard.

  2. Revision 2 · Official Transcript ·

    Correction: Migrated to the dated official Court activity contract without model use.

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