October Term 2016 · Docket 16-5294

Does a state-appointed psychiatrist working for the prosecution satisfy due process?

The dispute centers on whether a defendant receives adequate psychiatric help when the state assigns an expert to the prosecution.

Official caption
McWilliams v. Dunn
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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

    Mr. Bright argued that the 1985 precedent clearly established the right to neutral assistance.

    General Brasher argued that the precedent did not require a neutral expert.

    Justice Roberts asked whether the expert worked for the state or the prosecution.

    Justice Sotomayor noted that the expert requested additional help late in the process.

    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

The case tests the scope of the right to expert assistance in criminal trials.

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How the case got here

The Supreme Court heard oral argument in this case on April 24, 2017.

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What each side wants

the side that brought the case seeks a ruling that the state must provide a neutral expert.

the opposing side seeks a ruling that the current expert arrangement satisfies due process.

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What each side says

the side that brought the case argues that a prosecutor's expert violates the right to a viable defense.

the opposing side argues that the state provided sufficient psychiatric assistance under existing law.

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What the justices asked

Justice Kennedy asked if the law requires the expert to consult only with the defense.

Justice Sotomayor asked what specific aid a defendant needs to mount a viable defense.

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Why it matters

This case defines the independence of state-funded experts in criminal trials. It determines whether defendants receive neutral psychiatric assistance. The outcome shapes the fairness of future criminal proceedings.

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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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