The 27-year-old Nevada man left a note at the scene voicing anger that his mental illness may be linked to his having played ...

Aland Etienne leaves behind two school-aged children, including a young son who celebrated his seventh birthday just days ...

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 say a gunman who killed four people in a Manhattan skyscraper before taking his own life claimed to have a brain ...

Police searched Shane Tamura’s employee locker at a Las Vegas Strip casino in their attempts to piece together why he killed ...

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

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

NFL Commissioner Roger Goodell expressed sorrow following the deadly shooting at a New York City office building that left ...

Dakota Hawver, a 26-year-old Reno resident, died in the overnight hours, police announced Thursday morning. Hawver had been ...

The gunman who opened fire at a Manhattan office building Monday, killing four people before taking his own life, legally ...