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

Former high school football player Shane Tamura claimed to have CTE in a note found after he killed four people in a New York City mass shooting inside the 345 Park Avenue skyscraper, which hosts the ...

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.

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.

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 ...

More than a decade before he turned a Midtown NYC office building into a killing ground, Shane Tamura stood out as a rising star on a high school gridiron. Police believe the 27-year-old shooter’s ...

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

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

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

Crazed gunman Shane Tamura, who shot dead four people at a Midtown Manhattan office building before turning the gun on ...

“CTE is linked to repetitive brain trauma and has a distinct pathology that can only be diagnosed at autopsy,” says Dr. Ross Zafonte, a principal investigator of the Football Players Health Study at ...

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.