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 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.

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

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

Gunman Shane Tamura had a ‘documented mental health history’ and ‘sprayed’ the Manhattan office building lobby with a ...

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

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

Tamura had apparently driven across the country from Nevada before killing four people in a shooting rampage in Manhattan.

Five people, including a New York City police officer, died in a shooting in Manhattan. Suspected gunman Shane Devon Tamura ...

New York City's Office of Chief Medical Examiner told USA TODAY Sports it would examine the brain of NYC shooter Shane Tamura.

No ruling has been made yet on whether Tamura was suffering from the disease chronic traumatic encephalopathy (CTE), which he ...