Shane Tamura, 27, who fatally shot four people in the building that houses the National Football League's headquarters Monday ...

NEW YORK (AP) — A man who killed four people at a Manhattan office building bought the rifle he used in the attack and the ...

New York City investigators believe a co-worker of the Las Vegas man who killed four, including a police officer, provided a ...

The NYPD sent detectives to Las Vegas to work with federal law enforcement in the investigation into Monday's deadly shooting ...

The gunman in the deadly shooting at a New York City office tower had a background in casino surveillance and once held a ...

Police are retracing Tamura's movements from Nevada to New York after a Midtown Manhattan shooting that left four people dead ...

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

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 ...

The gunman, who said in a note he believed he had CTE, targeted skyscraper that houses the NFL's headquarters.

The newly discovered note is similar to the three-page screed found in Tamura’s wallet after he killed himself and is also ...