One year later, the nation still mourns Sandy Hook.
Read more...Arapahoe HS is just 10 miles from Columbine.
Read more...Mental health problems aside.
Read more...One vetoed bill would have banned certain semiautomatic rifles in California.
Read more...Obama has delivered more speeches on gun violence than State of the Union addresses.
Read more...Only four Republican senators supported the measures.
Read more...Parents of a Sandy Hook victim ask for public support.
Read more...L.A. County Sheriff Lee Baca shows off some of the firearm collected in last week's gun buyback. Photo by Matt Hamilton.
Experts question the effectiveness of gun buybacks.
Read more...Biden-led group pursuing stricter background checks and improved gun-tracking.
Read more...Shooting caused "emotional and psychological trauma and injury."
Read more...