Breaking: Supreme Court Allows Sandy Hook Lawsuit To Proceed, Major Blow To Gun Manufacturers

Tuesday, The Supreme Court refused to protect a major firearms manufacturer from possible liability in the horrific Sandy Hook shooting in 2012. The terrible event left 26 students and teachers dead in Newtown, Connecticut.

The justices’ newly found decision will allow the lawsuit filed by parents of Sandy Hook Elementary victims to move forward with the allegation of Remington Arms Co. marketing the rifle used in the mass shooting.

WATCH: The Sandy Hook Elementary School shooting occurred on December 14, 2012. 20-year-old The shooter killed 26 people, including 20 children between six and seven years old

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The lawsuit will continue at the state law.

In 2015, a law was passed by Congress, protecting firearm manufacturers from being held liable or at fault for crimes committed by purchasers. However, there are exceptions to the law, depending on violations of rules related to marketing or advertising.

More from USA Today:

Gun control advocates have said a victory by the families in the long-running dispute could lead to more lawsuits and damaging disclosures involving the firearms industry.

The Connecticut Supreme Court ruled 4-3 in March that Remington can be sued because of the way the AR-15-style Bushmaster rifle was marketed. The families’ lawsuit contends that Remington glorified the gun in advertising aimed at young people, including in violent video games.

The Sandy Hook killer, Adam Lanza, was 20 when he shot and killed his mother at home, then went to the Newtown school and gunned down first-graders and educators. Lanza then killed himself.

The Supreme Court already has a gun rights case on its docket. That case, to be heard in early December, will decide whether a New York City regulation that restricts the transportation of legally owned guns violates their owners’ constitutional rights.