To date, nearly 350 former NFL players have been diagnosed with chronic traumatic encephalopathy (CTE) after their death.

The NFL’s long history with CTE has come under new attention after Monday’s deadly shooting at the Manhattan office building ...

Shane Tamura, the Park Ave. gunman who killed an NYPD officer and three others before taking his own life, left behind a ...

Meiko Locksley, one of 152 athletes diagnosed with CTE before even reaching the age of 30 as part of the Boston University ...

Tamura expressed frustration with NFL's handling of CTE and had history of depression, headaches before killing four people ...

The brain disease has most commonly been found in athletes in contact sports and others with a history of repeated brain ...

Researchers have diagnosed many former football players with CTE since 2005. It can only be diagnosed through a brain autopsy ...

Shane Tamura, 27, killed an NYPD officer and three other people on Monday evening when he stormed the Midtown skyscraper that ...

Investigators found the note in the wallet of 27-year-old shooter Shane Tamura who police said opened fire inside of 345 Park ...

Shane Devon Tamura fatally shot four people, including an NYPD officer, in midtown Manhattan before killing himself, ...

The midtown Manhattan shooter left a suicide note, asking for his brain to be studied, as he wondered whether Chronic ...

In total, CTE was diagnosed in 87% of 202 former football players --- including high school, college, NFL, Canadian Football League and semipro.