The crazed gunman who killed four people in Monday’s Manhattan massacre thanked a documentary on CTE brain injuries and ...

Police say Shane Tamura, the man who shot four people to death before ending his life on Monday, suffered from a ...

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

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

The 27-year-old man who shot and killed four people at a Midtown office building on Monday carried a note in his pocket ...

Four people were fatally shot during the horrific incident in Manhattan before the shooter turned on gun on himself.

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 ...

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

In a video message, Tisch said Tamura left a suicide note and claimed to be suffering from chronic traumatic encephalopathy ...

New York’s medical examiner’s office said it will examine the shooter’s brain for CTE. Results may not be public for months.

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

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