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

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

Also killed in the massacre were Blackstone executive Wesley LePatner, security guard Aland Etienne and 36-year-old NYPD ...

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.

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 ...

Cops identified a man who sold the weapon to mass shooter Shane Tamura as his former supervisor in the Las Vegas area.

The gunman suspected of targeting the National Football League headquarters in New York, killing four, was a former football ...

A gunman who killed four people at a Manhattan office building bought the rifle from his supervisor at a Las Vegas casino, ...

The gunman who killed an NYPD officer and three other people in a Midtown building on Monday evening was carrying a note that ...

Shane Tamura, 27, is the suspect alleged to have shot and killed four victims while wounding an NFL employee. Tamura then ...

What to know about NYC gunman's football connection, which he mentioned in a note left behind after a deadly shooting where ...