The New York City mass shooter had been diagnosed with multiple mental illnesses and had been the subject of two "mental health holds" in Las Vegas, but none of that limited his legal right to own ...

The gunman from Las Vegas who committed the mass shooting last week in New York City repeatedly threatened to harm himself, ...

A lone gunman walked into a midtown Manhattan office building Monday and opened fire, killing four people, including an NYPD ...

Shane Devon Tamura was the 27-year-old man living in Las Vegas who fatally shot at least four people in a mass shooting at ...

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

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

The Las Vegas gunman who killed four people in a Manhattan office building housing the NFL’s headquarters before taking his own life had sought medical treatment for debilitating headaches, ESPN ...