The NYPD sent detectives to Las Vegas to work with federal law enforcement in the investigation into Monday's deadly shooting inside a Midtown Manhattan office building.

Shane Tamura was barely known in the city where he lived, working at night and navigating mental health crises. He drove 2,500 miles east to commit New York’s deadliest shooting in a quarter-century.

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

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

A supervisor at the Las Vegas casino where Shane Devon Tamura worked legally purchased the gun used in the Midtown Manhattan ...

Las Vegas police release bodycam footage and 911 calls from Manhattan mass shooter Shane Tamura showing mental health ...

The man who killed four people at a Manhattan office building bought his AR-15-style rifle and getaway car from his Las Vegas ...

Authorities in New York City are investigating a shooting in a crowded club that left three people dead and nine others wounded ...