Shane Tamura, the Park Ave. gunman who killed an NYPD officer and three others before taking his own life, left behind a ...

A lone gunman walked into a midtown Manhattan office building Monday and opened fire, killing four people, including an NYPD officer, before turning the gun on himself.

NFL commissioner Roger Goodell has offered an important update on the league employee who was shot in Monday's attack.

Authorities probe the weapon origins in the Manhattan shooting by Shane Tamura, who bought a rifle from his supervisor.

Tisch said Tamura had a Nevada gun license and used an AR-15 style assault rifle. Tamura legally purchased a revolver in June using his concealed carry permit, Tisch said. CBS and CNN published a ...

One theory is that Tamura went dark on social media or cut ties with certain people. His behavior back then may have been a ...

The cleaner on the 33rd floor of 345 Park Ave. made a left turn down a corridor just as gunman Shane Tamura turned the ...