Immigration · Primary-source case analysis

Maslenjak: Denaturalization Requires a Causal Link Between the Illegal Act and Citizenship

By Aneeta Mishra and Timothy Chan

Published September 4, 2026

Maslenjak v. United States reviewed jury instructions allowing conviction based on a false statement during naturalization without requiring that the falsehood influence the citizenship decision.

Procure supplied a causal requirement

The statutory text required the government to connect the unlawful act to acquisition of naturalization.

Not every false statement was enough

An immaterial misrepresentation could not support loss of citizenship merely because it occurred during the process.

Materiality could operate in two ways

The government could show that the truth would itself have disqualified the applicant or would predictably have led officials to disqualifying facts.

The conviction was vacated

Because the jury was instructed that influence on naturalization was unnecessary, the Court reversed and remanded.

Key takeaways

• Identify the precise alleged misstatement.
• Reconstruct the naturalization eligibility decision.
• Test whether truthful disclosure would have changed the inquiry.
• Separate falsity from causal materiality.