Authorities still haven't figured out exactly what sparked the Las Vegas shooting, which left 58 people dead and hundreds more injured.
Gun control debate heats up
The bill that would make gun silencers easier to buy has been shelved indefinitely.
The deadly shooting in Las Vegas could prompt another surge in gun sales - just like other mass shootings before it.
The U.S. sticks out from the rest of the world on the issue of guns and gun deaths.
Police say the gunman was perched on the 32nd floor of the Mandalay Bay Resort and Casino.
Could approaching gun violence as a public health issue help curb gun-related deaths and injuries?
A 49-year-old man upset over a relationship breakup opened fire on a group of partygoers at a La Jolla apartment complex pool.
Cincinnati police say there's no indication the shooting at Cameo nightclub was an act of terrorism.
According to several reports, she was taken into custody by FBI agents in the San Francisco area Monday morning.
Authorities have a suspect in custody.
The city of Orlando has released some of the audio from the 911 calls between police and the Pulse nightclub shooter.