Bullets for Sale at Showmasters Gun Shows on March 23, 2013 in Richmond, Virginia (Footage by Getty Images)

Assault Weapons for Sale at Showmasters Gun Shows on March 23, 2013 in Richmond, Virginia (Footage by Getty Images)

Handguns for Sale at Showmasters Gun Shows on March 23, 2013 in Richmond, Virginia (Footage by Getty Images)

Gun Show at Showmasters Gun Shows on March 23, 2013 in Richmond, Virginia (Footage by Getty Images)

Assault Weapons for Sale at Showmasters Gun Shows on March 23, 2013 in Richmond, Virginia (Footage by Getty Images)

Pro Gun Rally at Virginia State Capitol on January 19, 2013 in Richmond, VA (Footage by Getty Images)

Pro Gun Rally at Virginia State Capitol on January 19, 2013 in Richmond, VA (Footage by Getty Images)

Pro Gun Rally at Virginia State Capitol on January 19, 2013 in Richmond, VA (Footage by Getty Images)

Gun Rights March at Virginia State Capitol on January 19, 2013 in Richmond, VA (Footage by Getty Images)

Gun Rights March at Virginia State Capitol on January 19, 2013 in Richmond, VA (Footage by Getty Images)

Pro Gun Rally at Virginia State Capitol on January 19, 2013 in Richmond, VA (Footage by Getty Images)

Pro Gun Rally at Virginia State Capitol on January 19, 2013 in Richmond, VA (Footage by Getty Images)

Gun Rights March at Virginia State Capitol on January 19, 2013 in Richmond, VA (Footage by Getty Images)

Pro Gun Rally at Virginia State Capitol on January 19, 2013 in Richmond, VA (Footage by Getty Images)

Pro Gun Rally at Virginia State Capitol on January 19, 2013 in Richmond, VA (Footage by Getty Images)

Man Loads Revolver and Fires at Target at Maryland Small Arms Range on January 20, 2013 in Upper Marlboro, Maryland (Footage by Getty Images)

Exteriors, police, police tape, memorial, prayers. after Aaron Rey Ybarra was arrested for killing one and shooting and injuring two other students at Seattle Pacific University, a smaller Christian school in Seattle, Washington. The...

Two companies are developing personal authentication technology for handguns so they can only be fired by authorized users.

The high court kicked off its new term Monday with hearings on the "insanity defense" and the Sixth Amendment.

New York's legislature passed a bill that would ban anyone under the age of 21 from buying or owning a semi-automatic rifle.

Mayor Quinton Lucas made a campaign promise to reduce violent crime in Kansas City, but he explains why that's proving to be more and more difficult.

Nov.11 -- The National Rifle Association had long been known as one of the most powerful lobbying groups in America. But at the peak of its power, this well-funded ally of the Republican Party has found itself besieged by scandal and...

A divided US Supreme Court struck down a New York law that required people to show a special need to carry a handgun in public, ruling for the first time that the Second Amendment protects gun rights outside the home. President Joe Biden...

The House Committee on Oversight and Reform is hearing from victims and victims' family members who suffered from recent mass shootings.