Tsi v. Blanche — Sixth Circuit upheld adverse credibility and Nigerian-citizenship findings, denying review

Case
Frank Joel Achu Tsi v. Todd Blanche, Attorney General
Court
U.S. Court of Appeals for the Sixth Circuit
Judge
McKEAGUE; STRANCH; MATHIS
Date Decided
October 19, 2026
Docket No.
25-3960
Topics
Immigration, Adverse Credibility, Asylum, Citizenship
Source
Read the full opinion

Background

Frank Joel Achu Tsi, an English-speaking native and citizen of Cameroon, entered the United States in 2022 and applied for asylum, withholding of removal, and protection under the Convention Against Torture. He alleged that Cameroonian military forces had detained and tortured him because they believed he was a separatist fighter, and that he feared persecution based on his identity as an Anglophone Cameroonian and imputed political opinions.

After Tsi testified that his father was Nigerian, the Department of Homeland Security added an allegation that Tsi was also a Nigerian citizen. The immigration judge found Tsi’s testimony not credible, concluded that his other evidence did not independently establish eligibility for relief, and ordered him removed to Nigeria, with Cameroon as the alternative. The Board of Immigration Appeals dismissed his appeal, and Tsi petitioned the Sixth Circuit for review.

The Court’s Holding

The Sixth Circuit denied the petition. Applying substantial-evidence review, the court upheld the adverse credibility determination based on the combined effect of Tsi’s demeanor during his virtual hearing, multiple inconsistencies in his testimony, and the absence of sufficient independent corroboration. Although the court acknowledged that many inconsistencies were minor when viewed separately, it held that the record did not compel a finding that Tsi was credible.

Because the adverse credibility finding defeated Tsi’s asylum, withholding-of-removal, and CAT claims in the absence of independently persuasive evidence, the court did not address their underlying merits. It also upheld the determination that Tsi was a Nigerian citizen: substantial evidence supported the finding that his father was Nigerian, and Article 25 of the Nigerian Constitution confers citizenship by birth on a person born abroad if either parent is a Nigerian citizen. The court did not consider Tsi’s distinct challenge to removal to Nigeria because he had not raised it before the BIA.

Key Takeaways

  • Under the REAL ID Act, even inconsistencies that do not concern the heart of an immigration claim may contribute to an adverse credibility determination.
  • Demeanor observations, testimonial discrepancies, and insufficient corroboration collectively provided substantial evidence supporting the immigration judge’s credibility finding.
  • Nigerian citizenship by descent applied because the record supported that Tsi’s father was Nigerian, and Nigerian law recognizes citizenship through either parent as well as dual citizenship.

Why It Matters

The decision illustrates the highly deferential review applied to immigration credibility findings. Even where individual discrepancies appear minor, their cumulative effect—combined with demeanor concerns and weak corroboration—can foreclose asylum, withholding, and CAT relief.

It also underscores that citizenship findings may depend on foreign nationality law and that a noncitizen must exhaust a challenge before the BIA to preserve it for judicial review.

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