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

Shane Devon Tamura, the man identified as the gunman who killed four people in a deadly shooting at a midtown Manhattan ...

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

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

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

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 ...

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

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

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

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

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