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

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

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

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

The 27-year-old Nevada man opened fire at a New York City office building, killing at least four people and then himself.

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 ...

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

Once a promising athlete, the 27-year-old faded from public view—until he showed up at 345 Park Avenue, gun in hand.