LAS VEGAS -- The gunman who killed four people before taking his own life in a midtown Manhattan office building that houses the NFL's headquarters had for years sought medical help for frequent, ...

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

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

More than a decade before he turned a Midtown NYC office building into a killing ground, Shane Tamura stood out as a rising ...

Shane Tamura, 27, used a rifle identified as an M-4 during the attack at 345 Park Avenue on Monday, police said.

Police have identified the man who entered a Midtown Manhattan office building wearing body armor and opened fire killing ...

New York City’s deadliest shooting in 25 years – in a state with some of the toughest gun laws in the nation – is raising ...

Police executed a search warrant at the Las Vegas apartment of Shane Tamura, where the items obtained included a goodbye note ...

Police searched Shane Tamura’s employee locker at a Las Vegas Strip casino in their attempts to piece together why he killed four people and then himself in New York City earlier this week, the 8 ...

Authorities confiscated several items from a Las Vegas apartment tied to a gunman who used an AR-15-style rifle to kill four ...

New details have emerged in the investigation of the deadly New York shooting involving Shane Tamura, a former employee at ...

There were 23 shell casings and 13 bullet fragments recovered from the lobby of 345 Park Avenue and 24 spent shell casings on ...