
The gunman who shot and killed four people after opening fire in a New York City office building had a chilling final request, according to reports.
Tragedy struck the Big Apple on Monday (July 28) as a Las Vegas man walked into a building at 345 Park Avenue in New York City and began firing an M4 rifle.
The gunman killed four people, including a police officer, before turning the gun on himself and taking his own life.
One person is also in hospital, and is said to be critically injured, according to authorities.
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The New York Police Department have since identified the shooter as 27-year-old Shane Devon Tamura.
N.Y.C. Police Commissioner Jessica S. Tisch confirmed that surveillance footage showed the shooter exiting a double-parked black BMW on Park Avenue between 51st and 52nd Streets with the M4 rifle in hand.

"We believe this to be a lone shooter and there is no active threat to the public," the police commissioner said.
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The department further stated that Tamura had a ‘documented mental history’.
As per CBS News, the gunman had a chilling final request before taking his own life after undertaking the terrible shooting.
“Study my brain please I’m sorry Tell Rick I’m sorry for everything,” a note reportedly found on the gunman said.
According to CNN, the note continued: "Terry Long football gave me CTE, and it caused me to drink a gallon of antifreeze. You can’t go against the NFL, they’ll squash you."
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CTE is a brain condition linked to repeated trauma to the head, with symptoms including behavioral problems and mood issues.

Sources have told CNN that Tamura played competitively in his youth, while the NFL offices are found on the fifth floor of the building that he attacked.
New York City Mayor Eric Adams identified the deceased off-duty police officer as Didarul Islam during a press conference.
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Speaking of the shooting, Adams said: "Our hearts are heavy. Five innocent people were shot tonight. We lost four souls to another senseless act of gun violence, including a member of the New York City Police Department, Officer Islam."
He continued: “He protected New Yorkers. He's an immigrant from Bangladesh. And he loved this city. And everyone we spoke with stated, he was in person of faith, and a person that believed in God and believed and living out the life of a godly person.
"He embodies what this city is all about. He's a true-blue New Yorker."