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

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

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

Wearing body armor and wielding an assault-style rifle, the alleged gunman burst into a Midtown Manhattan office building ...

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

Shane Tamura, the gunman who killed an NYPD officer and three civilians before taking his own life inside a Midtown Manhattan ...

NYC gunman Shane Tamura is seen on video talking about his high school football career in California after a game in ...

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 ...

Detectives found prescription medication for depression and epilepsy in the Las Vegas home of Midtown mass shooter Shane ...

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

New York Police have named Shane Tamura, 27, as the suspected gunman in the Monday shooting at a Midtown Manhattan office ...