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

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

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

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

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

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

The gunman in the deadly Midtown Manhattan shooting, Shane Tamura, wrote about the brain disease CTE in a note obtained by ...

Shane Devon Tamura, identified as the shooter at NFL HQ, left a note stating he suffered from CTE and wished for his brain to ...

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

The gunman who opened fire in a Manhattan skyscraper home to the NFL's headquarters reportedly left a suicide note.

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