After the Lopez decision, the GFSZA was amended to specifically only apply to guns that had been moved via interstate or foreign commerce. In a five-to-four decision, the Supreme Court agreed with Lopez and struck down the law.Lopez, the Court again "tortured" Congress and the. Efrain Estrada-Nava and Eric Colin were indicted on one count of possession of methamphetamine with intent to distribute, in violation of 21 USC § 841(a)(1). This report is provided for case identification and background information only and does not reflect the views of the court. When firearm regulation is challenged under the Second. A case in which the Court found the 1990 Gun-Free School Zones Act unconstitutional for overstepping the congressional boundaries of the Commerce Clause. When firearm regulation is challenged under the Second. Children's Hospital, 261 U.S. 525 (1923), a Fifth Amendment case); Morehead v. See. Gonzalez-Lopez, 126 S. Ct. at 2563.