Holly Yan

Deion Patterson, a 24-year old U.S. Coast Guard veteran, is suspected of fatally shooting a woman and injuring four in a medical waiting room in Atlanta.

[Breaking news update at 3:00 p.m. ET]

Authorities have not yet zeroed in on a specific motive, but investigators uncovered an extensive social media presence by the gunman.

The second-deadliest US mass shooting of the year unfolded at a shopping mall in an affluent Texas suburb, leaving eight victims dead and investigators probing whether the killer may have

A quiet New Mexico neighborhood became a scene of inexplicable horror when a high school student with an AR-style rifle fired a torrent of bullets from the yard of his New Mexico home. But the motive remains a mystery.

Authorities on both sides of the US-Mexico border are trying to find whoever dropped a 4-year-old boy from a border barrier in San Diego, US Customs and Border Protection said.

(CNN) — A man arrested for having an AK-47 on school property walked up to the CIA Headquarters’ gate in Virginia and allegedly said, “I’m here and I have a

The Florida man who allegedly told officers at CIA Headquarters he had a gun and was later arrested with an AK-47 on nearby preschool property will stay in jail, a Virginia judge decided Thursday.

No fatalities have been reported and demolition of the building has been scheduled, officials say.

Branden Colvin Jr. has been sleeping on cold pavement outside the partially collapsed apartment building where his father may be trapped in the rubble. The 18-year-old refuses to leave the scene, even as officials warn about possible further collapse.