White House deputy chief of staff Stephen Miller has linked Zohran Mamdani’s surprise victory in New York City’s 24 June Democratic mayoral primary to what he called “unchecked migration,” arguing that demographic change driven by immigration has “fundamentally remade the NYC electorate.” Mamdani, a 33-year-old Indian-American Muslim and democratic socialist, defeated former Governor Andrew Cuomo in a result that Miller said should serve as a warning of the political consequences of lax border controls. Miller escalated his rhetoric on 8 July after a shooting outside a Texas facility operated by U.S. Immigration and Customs Enforcement. Declaring that “there is an insurrectionist movement in the Democratic Party that is inspiring domestic terrorism against ICE,” he accused Democratic officials—including Los Angeles Mayor Karen Bass—of encouraging violence by opposing federal enforcement. Miller said the Texas attack illustrated the dangers of what he described as a concerted effort to undermine immigration law. The remarks add to the controversy surrounding Mamdani’s candidacy, which has already prompted racist attacks and calls from some Republican lawmakers for the candidate to be stripped of his citizenship. They also highlight the administration’s increasingly hard-line posture as immigration raids and enforcement actions expand nationwide.