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

The degenerative brain disease that has besieged the National Football League for two decades with a billion-dollar lawsuit, ...

Study my brain please,” read a note left by the gunman accused of killing four people in a building that houses NFL’s ...

Years before police say he gunned down four people at a Manhattan tower that is home to the National Football League, Shane ...

Shane Tamura — who fatally shot four people at a Midtown East office building — said in a suicide note he believed he ...

Chronic traumatic encephalopathy, or CTE, is a brain disease linked to repeated hits to the head, often seen in military ...

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

New York City Mayor Eric Adams said that the gunman in a mass shooting in Manhattan had a note on his body mentioning CTE.