Longer sentences for drug convictions
Clifton Terelle McNeill v. United States
In brief
McNeill lost his challenge, and the Court left his longer federal sentence in place because all six prior drug convictions counted as serious drug offenses.
- Where it stands
- Decided
Decided · June 6, 2011 · Opinion by Justice Thomas
- What it’s about
- The Supreme Court upheld Clifton Terelle McNeill’s longer federal sentence, ruling that his prior state drug convictions counted under the Armed Career Criminal Act based on the maximum prison term in force when he was convicted of them, not when he was sentenced federally.
- Who it affects
- McNeill’s longer federal sentence remains in place because all six prior convictions counted as serious drug offenses under the Act.
Summary: written with AI from the case record.

What it's about
The Armed Career Criminal Act can increase a federal sentence when a person has prior convictions for qualifying drug offenses.
Question presented
Can a conviction under state law be treated as a serious drug offense for purposes of a longer sentence under the federal Armed Career Criminal Act, if the state law violated did not at the time of federal sentencing set a maximum prison term of at least 10 years, but had done so at the time the crime was committed?
What the Court decided
Holding
The District Court properly applied ACCA’s sentencing enhancement to McNeill because all six of his prior drug convictions were for “serious drug offenses.” 598 F. 3d 161, affirmed.
- Result
- Affirmed
The Court's reasoning
The Court said the sentence increase was proper because all six of McNeill’s prior drug convictions counted as “serious drug offenses.”
The vote
- Majority author
- Clarence Thomas
What's next
The appeals court’s judgment remains in place, and McNeill’s enhanced federal sentence continues.
Documents
Opinions
Audio
Docket activity
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AI analysis generated: Case Briefing
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AI analysis generated: Impact Analysis
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AI analysis generated: Decision Record
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Audio Recording added: Oral Arguments - McNeill
Opinion added: McNeill
Sources
Primary materials plus reporting. Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.