Nielsen v. Preap
In brief
The Supreme Court overturned the lower-court judgment and sent Nielsen v. Preap back for further proceedings.
- Where it stands
- Decided
Decided 5-4 · March 19, 2019 · Opinion by Justice Thomas
- What it’s about
- The case was about whether certain noncitizens with qualifying criminal convictions must be held in mandatory immigration detention even when federal immigration officials do not arrest them immediately after they are released from criminal custody.
- Who it affects
- The Supreme Court's action overturned the Ninth Circuit's judgment but did not end the case. The final outcome for the affected noncitizens remains unresolved.
Summary: written with AI from the case record.
What it's about
The Supreme Court ultimately ruled that a delay in taking them into immigration custody does not take them out of the mandatory-detention rule.
Nielsen v. Preap concerns how federal immigration-detention rules apply to noncitizens with qualifying criminal convictions.
Question presented
Whether a criminal alien becomes exempt from mandatory detention under 8 U.S.C. 1226(c) if, after the alien is released from criminal custody, the Department of Homeland Security does not take him into immigration custody immediately.
What the Court decided
Holding
The judgments are reversed, and the cases are remanded. 831 F. 3d 1193 and 667 Fed. Appx. 966, reversed and remanded.
- Result
- Reversed
The vote
- Joined the judgment
- Dissented
- Wrote an opinion
- Majority · 5joined the Court's opinion
From the opinions
“A provision of the Immigration and Nationality Act, 8 U. S. C. §1226(c), focuses upon potentially deportable noncitizens who have committed certain offenses or have ties to terrorism.”
What's next
The Ninth Circuit will conduct further proceedings after the Supreme Court overturned its judgment. The final outcome for the affected noncitizens remains unresolved.
Documents
Docket activity
New analysis added
AI analysis generated: Case Briefing
AI analysis generated: Decision Record
New analysis added
Opinion added: opinion
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Brief added: Questions Presented
More questions
- What was Nielsen v. Preap about?
- It asked whether delayed immigration arrest ends required detention without a bond hearing for certain noncitizens after criminal release.
- What did the Supreme Court do in Nielsen v. Preap?
- It overturned the Ninth Circuit's judgment and sent the case back for further proceedings (reversed and remanded).
- What remains unresolved after Nielsen v. Preap?
- The final remedy for the affected noncitizens remains unresolved after the Supreme Court sent the case back.
- What happens next in Nielsen v. Preap?
- The Ninth Circuit will conduct further proceedings after the Supreme Court overturned its judgment.
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.