October Term 2011 · Docket 10-8505

Can a witness describe lab results without the analyst testifying?

The dispute centers on whether a witness may relay DNA match results from a non-testifying analyst.

Official caption
Williams v. Illinois
Latest argument session
Latest official Court activity
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Argued
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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. Carroll argued the testimony violated the Confrontation Clause.

    Mr. Dreeben argued the testimony had two distinct components.

    Justice Scalia asked if the statements were true.

    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

Sandra Lambatos testified that the side that brought the case's DNA matched a profile. She described results generated by Cellmark analysts. No Cellmark analyst appeared at the trial. the side that brought the case argues this violates the Confrontation Clause. The state argues the testimony was permissible.

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How the case got here

The Supreme Court heard oral argument in this case on December 6, 2011.

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What each side wants

the side that brought the case wants the conviction overturned.

The state wants the conviction upheld.

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What each side says

the side that brought the case claims the testimony violated the Confrontation Clause.

The state claims the testimony described facts rather than opinions.

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What the justices asked

Justice Sotomayor asked if the statements violated the Confrontation Clause.

Justice Kennedy asked if the blood test entered a state database.

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Why it matters

This case defines the scope of witness testimony regarding lab results. It impacts how prosecutors present forensic evidence in trials. It affects the rights of defendants to confront witnesses.

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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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