A lawyer for relatives of some Newtown school massacre victims has asked the Connecticut Supreme Court to reinstate a lawsuit against gun maker Remington Arms, saying a rifle made by the company and used in the shooting was too unsafe to sell to the public.
Justices are scheduled to hear arguments Tuesday in an appeal by a survivor and relatives of nine people killed in the shooting.
A representative for the court declined to say when it would rule.
The case centers on a Bushmaster AR-15-style rifle made by North Carolina-based Remington and a 2005 federal law that shields gun makers from liability in most cases.
"What happened in the school that morning was horrific", Vogts said.
In dismissing the suit last October, a judge cited federal law protecting gun manufacturers from litigation if their products are used during a crime.
The nation is watching the case closely because if the families succeed, and the state Supreme Court allows it to move forward, it could lead to a flood of lawsuits against gunmakers.
The packed courtroom in Hartford, Connecticut, included numerous victims' family members.
Families of victims in one of America's worst mass shootings pushed again Tuesday to hold gun manufacturers responsible for the 2012 massacre that killed 20 small children and six adults. They argue that ads targeted a "younger demographic".
David Studdert, a Stanford law professor, said on Monday he thought negligent entrustment was a tough argument for the families to make because it has traditionally involved someone having direct knowledge that another person poses a risk.
"The manufacturer and the sellers of the firearms used by the criminal that day are not legally responsible", Vogts said.
"Remington may never have known Adam Lanza, but they had been courting him for years, and the courtship between Remington and Adam Lanza is at the heart of this case", says Josh Koskoff, Sandy Hook families' attorney.