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

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 ...

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

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 ...

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

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

Walter Roby, who coached Tamura during his senior year at Granada Hills, told Fox 11 Tamura was quiet and a top offensive ...

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

Two teams NYPD detectives headed to Las Vegas Tuesday, to execute search warrants at Shane Tamura's home and at a gun store ...

Former NYPD Sergeant Felipe Rodriguez weighs in on the gunman's actions and what we know about his background.