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

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

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

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

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 ...

A suicide note blamed the NFL and possible CTE for his mental decline, though Tamura never played professionally, only 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 ...

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 ...