Justice Breyer, joined by Justices Sotomayor and Kagan, would have affirmed. He began by describing the serious and varied dangers of gun violence, including homicides, suicides, mass shootings, domestic violence, road-rage incidents, and risks to police and civilians. In his view, deciding how to balance lawful uses of guns against these public-safety risks is primarily legislative work, particularly because the risks and needs of dense urban areas may differ from those of rural States.
He argued that the Court decided the case prematurely on the pleadings, without discovery or an evidentiary record showing how New York’s licensing system operated in practice. The record did not reveal how frequently licenses were granted or denied, how much discretion different counties exercised, or whether the proper-cause standard was applied more flexibly outside New York City. He also noted that Koch and Nash did not seek state-court review of their denials.
Justice Breyer defended the Courts of Appeals’ two-step approach. In his reading, Heller used text and history to identify the existence and general scope of an individual right, but also acknowledged that the District’s home-handgun ban would fail under any applicable standard of scrutiny. Traditional means-end scrutiny is used across constitutional doctrine and allows courts to evaluate both the burden on a right and the government’s justification.
He viewed a history-only rule as impractical and indeterminate. Judges are lawyers rather than historians, historical materials are often incomplete and contested, and lower courts lack the resources to conduct exhaustive historical inquiries in every firearms case. He also worried that historical analogies would not adequately address modern weapons, technologies, and public places.
On the historical merits, Justice Breyer found a long Anglo-American tradition of restricting public carriage of weapons. He pointed to English edicts, the Statute of Northampton, colonial statutes, nineteenth-century concealed-carry restrictions, surety laws, and postbellum state and territorial bans. In his view, these laws were sufficiently analogous because they broadly regulated or conditioned public carrying, even if they were not identical to New York’s licensing system.
Finally, he would have upheld New York’s law under heightened scrutiny. The Second Circuit reasonably recognized New York’s compelling interests in public safety and crime prevention, and empirical studies supported the conclusion that stricter licensing regimes can be associated with lower rates of firearm homicide and violent crime. The dissent concluded that the Court improperly displaced New York’s legislative judgment without considering those interests or developing a factual record.