Hochul Pardon Kills Supreme Court Immigration Detention Case Just Weeks Before Oral Arguments

A last-minute pardon from New York Governor Kathy Hochul has derailed a major Supreme Court immigration case that was set to resolve a national circuit split over whether immigrants with criminal records can be detained indefinitely without bond hearings. The Court dismissed Genalo v. G.M. on September 11 after the Trump administration and attorneys for the respondent jointly stipulated that the dispute had become moot.

Hochul issued the pardon in late August to Keisy Guerrero Mariano, a lawful permanent resident from the Dominican Republic who pleaded guilty to second-degree assault in 2015. Mariano had been detained by Immigration and Customs Enforcement under Section 1226(c) of the Immigration and Nationality Act, which mandates detention without bond for certain noncitizens with criminal convictions. Her case became a test of whether prolonged immigration detention without a bond hearing violates due process protections under the Constitution.

The Supreme Court had agreed in June to hear the case, which centered on whether immigrants held under Section 1226(c) have a constitutional right to periodic bond hearings when detention extends beyond several months or years. The question has divided federal appeals courts across the country. The Fifth Circuit ruled in February 2026 that mandatory detention applies to people who entered the United States without inspection, while the Second Circuit held the opposite in April. The First, Seventh, and Ninth Circuits have similarly rejected government theories that allow indefinite detention, creating a patchwork of rules that depend on where an immigrant is held.

Solicitor General John Sauer agreed that the case could no longer proceed after Hochul's pardon eliminated Mariano's criminal conviction, removing the statutory basis for her detention. Critics, including some legal scholars, have accused the Democratic governor of strategically intervening to prevent a Supreme Court ruling that could have established nationwide precedent limiting immigration detention authority. The pardon came just weeks before the justices were scheduled to hear oral arguments in October.

The dismissal leaves the circuit split unresolved, ensuring the issue will return to the Supreme Court in a future case. In its 2018 decision in Jennings v. Rodriguez, the Court held that Section 1226(c) itself does not require periodic bond hearings but left open the constitutional question of whether due process eventually demands such hearings during prolonged detention. Lower courts have since grappled with defining what qualifies as "unreasonably prolonged" and whether a strict six-month rule or case-by-case assessments should apply.

Immigration advocates had hoped the Supreme Court would settle the matter by establishing clear guidelines for when detained immigrants must receive bond hearings. Instead, the pardon leaves immigrants facing detention dependent on the legal standards of their particular circuit. The Trump administration's ongoing expansion of ICE enforcement, which has pushed detention numbers to historic highs, has intensified scrutiny of the legal framework governing how long immigrants can be held without judicial review.

Under the current system, immigrants arrested within the United States face vastly different outcomes depending on where they are detained. In some circuits, they may eventually receive a bond hearing where the government must justify continued detention by clear and convincing evidence. In others, mandatory detention can extend indefinitely with no judicial oversight. Legal experts say this inconsistency undermines the principle of equal protection under the law and creates perverse incentives for strategic forum shopping in immigration enforcement.

The dismissed case highlights the fragility of constitutional litigation when executive actions can moot disputes before they reach final resolution. While Mariano benefited personally from the pardon, the broader policy question remains unsettled, leaving millions of immigrants vulnerable to prolonged detention without recourse to a neutral arbiter who can weigh the government's interest in detention against individual liberty.