Gunman who killed 4 in Manhattan office tower that houses NFL had CTE, medical examiner confirms

A man who carried out a July 28 mass shooting in New York City had “unambiguous diagnostic evidence” of low-stage chronic traumatic encephalopathy, commonly known as CTE, according to the New York City medical examiner. Yuki Iwamura/AP

The man who killed four people inside a Manhattan office tower this summer was suffering from a degenerative brain disease, a city medical examiner said Friday, confirming the gunman’s own self-diagnosis.

Shane Tamura, 27, had “unambiguous diagnostic evidence” of low-stage chronic traumatic encephalopathy, commonly known as CTE, according to the New York City medical examiner.

Tamura, a Las Vegas casino worker, carried out the mass shooting on July 28, spraying bullets into the lobby of a Manhattan office building housing the headquarters of the NFL,