The man who police say opened fire inside a Midtown Manhattan office building left a suicide note referencing former Pittsburgh Steeler Terry Long, the Associated Press reports.

Shane Tamura, the Park Ave. gunman who killed an NYPD officer and three others before taking his own life, left behind a suicide note saying he suffered from CTE, a brain injury often linked to ...

The man who opened fire in a Midtown Manhattan office building, killing four people and wounding a fifth, appeared to be targeting the NFL headquarters and had a note claiming he suffered from CTE ...

Investigators found the note in the wallet of 27-year-old shooter Shane Tamura who police said opened fire inside of 345 Park Avenue.

The head of the New York Police Department said that investigators plan to question a man who supplied parts for a gun used in the attack on Monday.

MORE: Manhattan shooting suspect claimed to have CTE, mentioned NFL in note, sources say Officer Didarul Islam ...

Investigators plan to question a man who supplied parts for a gun used in the shooting at a Manhattan office building that houses the National Football League’s headquarters, New York City ...

Manhattan shooting latest: Gunman mentioned CTE, appeared to target NFL The shooting took place at 345 Park Avenue, which houses NFL's headquarters.

The gunman who opened fire in a Manhattan skyscraper home to the NFL's headquarters reportedly left a suicide note.

The Macomb County Sheriff’s Office says a missing 12-year-old girl who disappeared after last being seen in Romeo on Monday morning has been found safe.

Law enforcement and fire officials were investigating a potential threat on a plane at Denver International Airport, but police later said the threat was unfounded.