Shane D Tamura, 27, suspected of a Manhattan shooting that killed four, left a note linking his actions to chronic traumatic ...

The gunman in the deadly shooting at a New York City office tower had a background in casino surveillance and once held a ...

( NewsNation) — Police are questioning an associate who helped a gunman obtain rifle parts used in a shooting Monday in New ...

A gunman from Las Vegas shot five people, killing four, including an off-duty New York City police officer, inside a Manhattan skyscraper, before fatally shooting himself, officials confirmed ...

The City Medical Examiner determined a cause and manner of death for the gunman who killed four people inside a midtown Manhattan office tower before turning the gun on himself. Shane Tamura died by ...

Despite mental health holds in Nevada, NYC shooter Shane Devon Tamura legally maintained his concealed weapons permit due to ...

A gunman who killed four people inside a Manhattan office tower blamed his mental health problems on the National Football ...

The gunman accused of killing four people in New York City suspected he had chronic traumatic encephalopathy, or CTE — a ...

The gunman who killed four people in Midtown Manhattan claims in a suicide note that he wanted his brain to be studied for CTE, the degenerative brain disease associated with repeated hits to the head ...

The four victims who were shot and killed by a gunman inside a Midtown Manhattan office building on Monday night have been ...

Authorities say the gunman who opened fire in a Midtown Manhattan office building on Monday night -- killing four people and injuring a fifth -- had a history of mental illness and may have been ...