A 27-year-old former football player opened fire inside a Park Avenue skyscraper, killing four including an off-duty NYPD ...

No motive has been announced. A suicide note was found expressing grievances with the NFL and saying Tamura suffered from CTE, a source said. Follow for live updates.

The 27-year-old suspected gunman left a note at the scene voicing anger that his mental illness may be linked to his having played football, officials familiar with the investigation told NBC News.

NYC gunman who left note claiming ‘football gave me CTE’ intended to go to NFL offices, mayor says: Latest - Shane Tamara ...

The Chicago Cubs announced Monday that Major League Baseball legend and Hall of Famer, Ryne Sandberg, has died at the age of ...