A state background check was incomplete when a Las Vegas man bought the rifle he would then use to commit a mass shooting in ...

The Las Vegas police released documents and records describing the mental health breakdowns that the man who killed four ...

A trove of new documents and 911 calls give insight into Shane Tamura's mental health before he shot and killed four people ...

A 911 call cited by CNN reveals the fear Shane Tamura's mother expressed about the safety of her son as well as herself ...

The NYC office shooting gunman still maintained an active concealed-carry permit in Nevada​, despite altercations with police ...

New details are emerging about the gunman who opened fire inside the NFL’s Midtown Manhattan headquarters last week, killing ...

During evening rush hour in New York City on Monday, a man calmly walked into a Park Avenue office building lobby and killed ...

What we know about Tamura’s life, how he got the assault rifle that he used to kill an NYPD officer and three others, and the ...

Shane Tamura was remembered by high school classmates and a coach as a talented running back. Recently, though, he was ...

The gunman who killed four people at an office building in New York City on Monday evening left his home in Las Vegas, Nevada ...

Police have identified the man who they say entered a Midtown Manhattan office building wearing body armor and opened fire, ...

A gunman from Las Vegas shot five people, killing four, including an off-duty New York City police officer, inside a Manhattan skyscraper, before fatally shooting himself, officials confirmed ...