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Ruling on the side of our constitutional liberties were Chief Justice John Roberts and Justices Antonin Scalia, Samuel Alito, Anthony Kennedy and Clarence Thomas. The majority opinion was penned by Scalia:
The basic issue for the justices was whether the amendment protects an individual's right to own guns no matter what, or whether that right is somehow tied to service in a state militia.
Writing for the majority, Justice Antonin Scalia said that an individual right to bear arms is supported by "the historical narrative" both before and after the Second Amendment was adopted.
The Constitution does not permit "the absolute prohibition of handguns held and used for self-defense in the home," Scalia said. The court also struck down Washington's requirement that firearms be equipped with trigger locks or kept disassembled, but left intact the licensing of guns.
Scalia noted that the handgun is Americans' preferred weapon of self-defense in part because "it can be pointed at a burglar with one hand while the other hand dials the police."