New York City is mourning NYPD Officer Didarul Islam and three other people killed in Monday's shooting inside an office ...

Police are still piecing together Shane Tamura’s movements but his black BMW traveled cross-country through Colorado, ...

Officials said the gunman fatally shot himself after his attack, which set off a chaotic scene that rippled out into the ...

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

The gunman who killed four people at an office building in New York City on Monday evening left his home in Las Vegas, Nevada ...

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

A gunman blamed the NFL for a brain disease before killing 4 in Midtown, including an NYPD officer. What we know about his ...

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

Gunman Shane Tamura had a ‘documented mental health history’ and ‘sprayed’ the Manhattan office building lobby with a ...

NYPD officials are heading to Las Vegas to investigate the gunman who killed four people in a Midtown Manhattan skyscraper.

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 ...

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