The MAMDANI Act: Rep. Chip Roy Introduces Sweeping Bill Targetting Socialist and Islamist Non-Citizens

A major legislative battle over the intersection of ideology and immigration law has erupted in Washington. Representative Chip Roy (R-TX) introduced a highly aggressive new bill dubbed the MAMDANI Act, aimed directly at empowering the federal government to deny entry, block citizenship, or deport and denaturalize non-citizens affiliated with socialist, communist, or Islamic fundamentalist movements.

The draft legislation takes its name from New York City Mayor Zohran Mamdani, a naturalized U.S. citizen and prominent member of the Democratic Socialists of America (DSA), whose political rise has drawn fierce criticism from conservative lawmakers.

The Architecture of the Proposed Law

The bill, formally titled the Measures Against Marxism’s Dangerous Adherents and Noxious Islamists Act, proposes sweeping overhauls to the Immigration and Nationality Act (INA):

• Ideological Bans: The legislation would make past or present membership in, or affiliation with, a communist party, a socialist party, the Chinese Communist Party, or an Islamic fundamentalist party explicit grounds for deportation or inadmissibility.
• The Advocacy Clause: Beyond official party membership, the ban extends to any non-citizen who “advocates” for these ideologies. The text defines advocacy broadly, including writing, publishing, circulating, displaying, or electronically possessing any material supporting those political or religious systems.
• Stripping Safeguards: The bill eliminates long-standing legal exceptions in immigration law, such as exemptions for individuals whose past party membership was involuntary, coerced, or required solely to secure food, employment, and basic necessities.
• Retroactive Denaturalization: For naturalized citizens, the bill deletes the current five-year statute of limitations for denaturalization based on organization ties, allowing the government to revoke U.S. citizenship at any point in a person’s life if they join a proscribed group.
• No Judicial Recourse: In a massive procedural shift, the bill contains strict language stripping the federal court system of its authority to review these cases, meaning administrative deportation and denaturalization decisions under the act would be final and legally unchallengeable.

Roy’s Rationale: Confronting the “Red-Green Alliance”

In a public statement defending the introduction of the legislation, Congressman Roy argued that America’s legal immigration parameters have been fundamentally compromised, allowing individuals with hostile political viewpoints to plant roots in the country.

“Admission to the United States is a privilege, not a right. We have absolutely no obligation to open our doors to aliens who seek to undermine the Constitution, dismantle our republic, or champion ideologies fundamentally opposed to American liberties.” — Rep. Chip Roy

Roy framed the bill as a necessary national survival mechanism designed to counter what he terms the “Red-Green Alliance”—a political alignment between modern left-wing Marxist movements and Islamic fundamentalists. He explicitly pointed to the political ascension of Mayor Mamdani in New York as a prime example of the cultural and political shifts he seeks to curb.

Political Backlash and Constitutional Concerns

While the bill has garnered praise from conservative immigration advocacy groups like the Immigration Accountability Project, it has sparked intense condemnation from civil liberties advocates, progressives, and legal scholars.

Critics argue the proposal represents an unprecedented, authoritarian expansion of federal power that directly violates the core tenets of the United States Constitution:

• First Amendment Concerns: Legal analysts warn that penalizing individuals, including legal permanent residents and naturalized citizens, for their political speech, written materials, or digital reading habits amounts to a direct assault on the freedom of speech and association.
• Due Process Infringement: Civil rights attorneys have sounded the alarm over the bill’s complete elimination of judicial review, noting that stripping courts of the power to audit federal deportation orders eliminates basic constitutional due process checks and balances.

Given the deeply divided nature of Congress, the MAMDANI Act faces a steep uphill battle toward passing into law, but its introduction marks a sharp escalation in the national debate over ideological screening, the limits of free speech for non-citizens, and the boundaries of federal immigration authority.