After killing four and taking his own life, Shane Tamura — a former football player at two L.A.-area high schools — left ...

Shane Tamura is suspected of shooting four people in Midtown Manhattan, where the NFL offices are. A note he left references the NFL and CTE.

CTE is defined as a progressive neurodegenerative disease that causes brain damage similar to what’s seen in patients with ...

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

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

The frantic mom of mass shooter Shane Tamura had repeatedly called 911 on her mentally ill son in the years before he shot up ...

We have a long way to go in understanding the brain injury implicated in the NYC shooting.

A shooter opened fire at a high-rise office building in midtown Manhattan after work hours on July 28, resulting in the deaths of four people and one being seriously injured, according to police ...

Shane Tamura, who police said shot and killed four people in Manhattan, claims he had chronic traumatic encephalopathy.

NFL NYC shooter’s brain will be tested for CTE, officials say New York’s medical examiner’s office said it will examine the shooter’s brain for CTE. Results may not be public for months.

Shane Tamura — who fatally shot four people at a Midtown East office building — said in a suicide note he believed he suffered from CTE and requested his brain be studied.

Brain experts said it could take weeks to learn whether Shane Tamura, the gunman who killed four people in Manhattan, had CTE.