Park Avenue gunman Shane Tamura, who killed an NYPD officer and three others before taking his own life in a midtwon office ...

Shane Tamura, who drove cross-country from Las Vegas and opened fire at the New York headquarters of the NFL, killing four, ...

Shane Tamura had "unambiguous evidence" of chronic traumatic encephalopathy when he opened fire at the NFL office in New York, killing four including NYPD Officer Didarul Islam.

A New York City medical examiner has confirmed that Shane Tamura, who killed four people in a Manhattan office tower this summer, was suffering from chronic traumatic encephalopathy, or CTE.

Shane Tamura, who opened fire at the New York headquarters of the NFL, killing four, had CTE, the New York City Office of the ...

The gunman who killed four people at the New York headquarters of the NFL had low-stage CTE, a medical examiner said in a statement.