Gunmaker Rejected as Supreme Court Lets Sandy Hook Families Sue

The U.S. Supreme Court dealt a blow to the gun industry, refusing to block a lawsuit against Remington Arms Co. by family members of nine people killed in the 2012 Sandy Hook Elementary School massacre.

The lawsuit blames the gunmaker’s marketing practices for inspiring the killer, Adam Lanza, who used a Remington-made Bushmaster XM15 military-style rifle while killing 26 people at the Connecticut school, 20 of them first-grade children.

The justices rejected Remington’s appeal Tuesday without comment or published dissent. The rebuff leaves intact a Connecticut Supreme Court ruling that carved a way around a 2005 federal law enacted to ...