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 ...

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

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

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

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

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.

Tamura was involuntarily held after being considered a danger to himself or others, according to a law-enforcement official.

When I look into you and dad’s eyes, all I see is disappointment,” Tamura wrote to his mother in the note. “I love you, Momma ...