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

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

Retired Las Vegas police lieutenant Randy Sutton discusses how the alleged gunman involved in the New York City shooting may ...

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

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

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

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

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

Police believe a 27-year-old man travelled across the U.S. from Las Vegas before opening fire in an office tower in Manhattan ...

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

A man carrying a rifle killed four people at a New York City office tower Monday, including an off-duty New York City police ...

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