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Gun control advocates have also been taking their case to the courts. After 20 students and six educators were murdered at Sandy Hook Elementary School in 2012, the family members of several victims filed a lawsuit against the maker of the military-style rifle used in the shooting.
A hearing on Monday will decide whether that case can proceed despite strong immunity laws protecting gun manufacturers and sellers. Patrick Skahill from member station WNPR reports.
PATRICK SKAHILL, BYLINE: When 20-year-old Adam Lanza walked into Sandy Hook Elementary, the same school he attended as a child, he was carrying a few guns. But his main one was a Bushmaster AR-15 rifle. In a span of a few minutes, 20 students and six educators were dead. In one classroom, police recovered 80 expended bullet casings, in another - 49, which left Mark Barden pondering a question.
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MARK BARDEN: How does a kid around the corner get his hands on a weapon that was designed for killing large amounts of people in a short amount of time on the battlefield?
SKAHILL: Barden's son Daniel was killed at Sandy Hook. Today, Barden is one of 10 plaintiffs suing Remington Arms Company, the manufacturer of the assault rifle used in the mass murder along with the gun's distributor and seller. They argue that the AR-15, a modified version of a gun used by the military in Vietnam, never should've been marketed and sold to civilians.
JOSH KOSKOFF: It is meant to be used by the military to kill people very efficiently in battle.
SKAHILL: Josh Koskoff is a lawyer representing the Sandy Hook victims.
KOSKOFF: Now, it wasn't meant to be designed to kill innocent civilians, but the weapon doesn't know that. And so arming civilians with a weapon whose specific use is to kill people when gun companies know that people kill people is negligent.
SKAHILL: But Remington says that's not the case. The company and its lawyers did not respond to a request for comment, but in a recent motion it says the assault rifle used at Sandy Hook was lawfully sold and purchased by the shooter's mother. And it argues the protection of Lawful Commerce in Arms Act which passed Congress in 2005 protects them.
John Thomas is a professor of law and public health at Quinnipiac University.
JOHN THOMAS: Car manufacturers don't get this kind of immunity. Knife manufacturers don't get this kind of immunity. Lawn mower manufacturers don't, but Congress decided to immunize gun manufacturers and dealers from lawsuits based on acts committed with their products.
SKAHILL: But Thomas says there is an exception to the immunity law. It's something lawyers call negligent entrustment, basically selling or entrusting a gun to a suspicious buyer who plans to commit a crime with it. Thomas says prior court cases challenging the 2005 law generally focused on acts of negligence in particular sales to individual customers.
THOMAS: But the plaintiffs in the Sandy Hook case have a creative spin on it. And they say it's actually negligent to sell to civilians any weapon like an AR-15 because it's designed not for target shooting or carrying in your purse to protect yourself in a dark parking lot. But it's designed for military use.
SKAHILL: Attorney Katherine Whitney says Remington will challenge that assertion. She represented a retailer that sold to the person who opened fire at a movie theater in Aurora, Colo.
KATHERINE WHITNEY: Their argument is, hey, we're not a seller. Because we are not a seller, this negligent entrustment exception doesn't apply.
SKAHILL: Still, the case has made progress. In April, a judge decided there was jurisdiction to allow the case to proceed in a Connecticut court. And she also opened up the process of evidence discovery, which means plaintiffs are optimistic they'll soon access AR-15 marketing materials and interview company executives at Remington.
On Monday, a judge will hear arguments about whether the case has legal merit to proceed to trial. That decision is expected to take months. For NPR News, I'm Patrick Skahill in Hartford.
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