The evidence documents Tamura's years-long struggle with mental health before he opened fire in a Midtown office building.

The man who opened fire at a Midtown Manhattan office building last month, killing four people and injuring another before ...

Newly released body camera footage from Las Vegas police shows past encounters with Shane Tamura, the gunman in last month’s ...

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

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

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

New York City police detectives searched a studio apartment in Las Vegas that belonged to the suspected gunman in Monday's ...

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

Officer Didarul Islam, 36, who was guarding the building on a paid security job when he was killed, had served as a police ...

The gunman in the deadly shooting at a New York City office tower had a background in casino surveillance and once held a ...

Nevada's gun laws are again under scrutiny after a Las Vegas man opened fire in Midtown Manhattan, killing four people and ...

Shane Tamura, 27, fatally shot four individuals at a Manhattan office tower, including an NYPD officer, before taking his own ...