Zohran Mamdani, a naturalized U.S. citizen since 2018 and New York City mayor, faces calls from some Republican lawmakers for DOJ denaturalization proceedings tied to allegations of material misrepresentation on his application or past associations. Legal experts note the high evidentiary bar for revocation, requiring proof of willful concealment of disqualifying facts, alongside longstanding Supreme Court limits on political use of such actions. No active federal case has produced verifiable evidence meeting that threshold, and prior investigations yielded no confirmed basis for proceedings. Trader consensus reflects these structural barriers and the absence of successful precedents in comparable recent cases. Late developments such as newly documented application discrepancies or shifts in enforcement priorities could still alter timelines before 2027.