Supreme Court allows families of Sandy Hook victims to sue maker of rifle used in shooting

The lawsuit says Remington Arms should never have sold a weapon as dangerous as the Bushmaster AR-15-style rifle to the public, which gunman Adam Lanza used to kill 20 first graders and six educators.

Lawyer: Accused Santa Fe school shooter found incompetent

Pagourtzis will be sent to a state mental health facility, where he will remain for four to six months. 

Accused Santa Fe High School shooter not competent to stand trial; attorney says

Defense Attorney Nicholas Poehl says Dimitrios Pagourtzis will be sent to a state psychiatric facility, where he’ll be treated with the goal of regaining mental competency. His mental health will be evaluated again in 120 to 180 days.

FOX 7 Discussion: Addressing mass violence

State Sen. Donna Campbell (R- New Braunfels), who is on the Select Committee on Mass Violence Prevention, joins Marcel Clarke to discuss the hearing and what she hopes the committee will accomplish going forward.

Social media, video games focus of state Senate hearing on mass violence

The Senate Select Committee on Mass Violence held a hearing Wednesday where social media and the influence of violent video games on mass violence were discussed.

Feds: Retailer broke law by selling rifle in Texas attack

Devin Patrick Kelley presented a Colorado driver's license at an Academy Sports + Outdoors store in Texas to buy the rifle and ammunition, the Department of Justice said in a motion filed Tuesday in San Antonio. 

Las Vegas shooting anniversary sparks debate on gun control

In the two years since the deadliest mass shooting in modern U.S. history, the federal government and states have tightened some gun regulations.

Police raised concerns about gunman 8 years before shooting

Officers in Amarillo, Texas, went to the home of Seth Ator's mother in February 2011 after she told them he had refused to take his mental-health medication and had threatened to end his own life in a shootout with police.

US mass shooters exploited gaps, errors in background checks

Most mass shooters in the U.S. acquired the weapons they used legally because there was nothing in their backgrounds to disqualify them, according to James Alan Fox, a criminologist with Northeastern University who has studied mass shootings for decades.