Diabaye v. Blanche — Fifth Circuit upheld denial of asylum and withholding of removal

Case
Thierno Diabaye v. Todd Wallace Blanche, U.S. Attorney General
Court
U.S. Court of Appeals for the Fifth Circuit
Judge
King; Higginson; Douglas
Date Decided
September 10, 2026
Docket No.
25-60657
Topics
Immigration, Asylum, Withholding of Removal, Credibility
Source
Read the full opinion

Background

Thierno Diabaye, a native and citizen of Senegal, applied for asylum and withholding of removal. An immigration judge denied his application, and the Board of Immigration Appeals dismissed his appeal.

Diabaye petitioned the Fifth Circuit for review. He argued that the agency erred in finding him not credible because its factual findings were unsupported by the record.

The Court’s Holding

The Fifth Circuit denied the petition for review. Applying the deferential substantial-evidence standard, the court concluded that Diabaye had not shown that the evidence compelled a conclusion contrary to the agency’s adverse credibility determination.

Because the adverse credibility determination was dispositive of Diabaye’s claims for asylum and withholding of removal, the court declined to consider his remaining challenges to the denial of relief.

Key Takeaways

  • A petitioner challenging an adverse credibility finding must show that the record compels a contrary conclusion.
  • The Fifth Circuit found that Diabaye did not satisfy that demanding standard.
  • Because the credibility ruling disposed of both claims, the court did not reach Diabaye’s remaining arguments.

Why It Matters

The decision underscores the substantial deference appellate courts give agency credibility determinations in immigration cases. When such a determination is dispositive, the court may deny review without addressing other challenges to the denial of asylum or withholding of removal.

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