Attorneys for families of some of the Sandy Hook Elementary School shooting victims have filed their first legal brief, seeking to have the state Supreme Court reinstate a lawsuit against gunmaker Remington Arms Co...[A]ttorney Josh Koskoff highlights the families' contention that Remington knowingly marketed a military weapon to a high-risk class of young males fascinated with violent video games, knowing before the 2012 school shooting that the AR-15 had become the weapon of choice for mass shooters..."Plaintiffs allege that Adam was a devoted player of first-person shooter games and partial to the AR-15 for committing virtual violence..."...The lawsuit also named Camfour Holding LLP, the gun's distributor, and Riverview Gun Sales, Inc., the East Windsor gun shop where Nancy Lanza, Adam's mother, bought the AR-15.