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The Immigration and Nationality Act: The Legal Basis for Denaturalization

Denaturalization is not an invention of Donald Trump. It is based on provisions of the Immigration and Nationality Act (INA), codified notably in sections 1451 et seq. of Title 8 of the United States Code. These provisions allow the federal government to ask a federal court to revoke the citizenship of a naturalized citizen if evidence is presented that such citizenship was obtained illegally or fraudulently—for example, by concealing past offenses, lying about one’s identity or criminal history, or entering into a sham marriage. As a senior DOJ official told CNN on June 18, 2026, denaturalization is a legal tool that Congress has enshrined in law for decades.

The Supreme Court has established important safeguards. In the 1967 ruling Afroyim v. Rusk, the highest U.S. court held that the government generally cannot revoke citizenship without the consent of the individual concerned. And in Maslenjak v. United States (2017), the Court clarified that to obtain denaturalization in a criminal proceeding, the government must demonstrate not only that a false statement was made, but also that it was materially decisive in obtaining citizenship. These precedents make the task difficult, but not impossible.

Civil Proceedings versus Criminal Proceedings

There are two avenues for revoking the citizenship of a U.S. citizen. The criminal route, based on a conviction for fraud in the naturalization process, entails the maximum protections: the right to a court-appointed attorney, the presumption of innocence, and the standard of proof beyond a reasonable doubt. The civil route, which the Trump administration overwhelmingly favors, is both more flexible and more dangerous for individuals’ rights. It does not provide for a court-appointed attorney if the accused cannot afford one. There is generally no statute of limitations for civil denaturalization proceedings. And the standard of proof, although theoretically high—the evidence must be clear, convincing, and unequivocal—remains less protective than in criminal proceedings.

As Professor Cassandra Robertson of Case Western Reserve University pointed out in remarks reported by NPR on June 2, 2026, when the alleged events date back twenty or thirty years, it is extremely difficult for anyone to locate witnesses or obtain documents. These are asymmetrical trials, in which the government has resources vastly superior to those of a defendant who may not be fluent in English and whose immigration records from two decades ago are incomplete.


This procedural imbalance strikes me as a direct violation of the principle of equality of arms. U.S. law guarantees extraordinary protections to defendants in criminal cases. By deliberately choosing the civil route, the administration circumvents these protections. This is a strategic choice, not a legal necessity. And it deserves to be clearly named as such.

This content was created with the help of AI.

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