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Disturbing new details emerge about NYC gunman’s possible motive after he killed 4 and shot himself

Home> News> US News

Updated 14:43 29 Jul 2025 GMT+1Published 14:23 29 Jul 2025 GMT+1

Disturbing new details emerge about NYC gunman’s possible motive after he killed 4 and shot himself

The tragic incident took place on Monday, July 28

Niamh Shackleton

Niamh Shackleton

Featured Image Credit: New York Police Department

Topics: NFL, Crime, New York, US News

Niamh Shackleton
Niamh Shackleton

Niamh Shackleton is an experienced journalist for UNILAD, specialising in topics including mental health and showbiz, as well as anything Henry Cavill and cat related. She has previously worked for OK! Magazine, Caters and Kennedy.

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@niamhshackleton

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A gunman who killed four people at a Manhattan office building was trying to target the headquarters of the National Football League (NFL) but took the wrong lift, according to New York City mayor Eric Adams.

Investigators believe Shane Tamura, of Las Vegas, was trying to get to the NFL offices after shooting several people on Monday (July 28) in the building’s lobby but accidentally entered the wrong set of lifts, Adams said in interviews on Tuesday (July 29).

Four people, including an off-duty New York City police officer, were killed in the shooting.

Police said Tamura had a history of mental illness and a rambling note found on his body suggested he had a grievance against the NFL over an unsubstantiated claim that he suffered from chronic traumatic encephalopathy (CTE).

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He had played football in high school in California nearly two decades ago.

A gunman opened fire in a Manhattan office on July 28 (Victor J. Blue/Bloomberg via Getty Images)
A gunman opened fire in a Manhattan office on July 28 (Victor J. Blue/Bloomberg via Getty Images)

“He seemed to have blamed the NFL,” the mayor said. “The NFL headquarters was located in the building, and he mistakenly went up the wrong elevator bank.”

The note claimed he had been suffering from CTE – the degenerative brain disease that has been linked to concussions and other repeated head trauma common in contact sports — and said his brain should be studied after he died, two people familiar with the matter told the Associated Press.

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Reportedly, it also specifically referenced the National Football League.

A motive has not been determined but investigators were looking into, based on the note, whether he might have specifically targeted the building because it is home to the NFL’s headquarters.

Officer Didarul Islam has been named as the NYPD cop who was killed (NYPD News X Account / Handout/Anadolu via Getty Images)
Officer Didarul Islam has been named as the NYPD cop who was killed (NYPD News X Account / Handout/Anadolu via Getty Images)

The shooting took place at a skyscraper that is home to the headquarters of both the NFL and Blackstone, one of the world’s largest investment firms, as well as other tenants.

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The company confirmed one of its employees, Wesley LePatner, was among those killed. LePatner was a real estate executive at Blackstone, according to the firm’s website, and spent more than a decade at Goldman Sachs before joining the firm in 2014.

Surveillance video showed the man exiting a double-parked BMW just before 6.30pm carrying an M4 rifle, then marching across a public plaza into the building.

Then, he started firing, police commissioner Jessica Tisch said, killing a police officer working a corporate security detail and then hitting a woman who tried to take cover as he sprayed the lobby with gunfire.

The man then made his way to the lift bank and shot a guard at a security desk and shot another man in the lobby, the commissioner said.

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New York City Police Commissioner Jessica Tisch has shared details on the tragic ordeal (JOHN LAMPARSKI/AFP via Getty Images)
New York City Police Commissioner Jessica Tisch has shared details on the tragic ordeal (JOHN LAMPARSKI/AFP via Getty Images)

“Our officer, he was slain in the entryway to the right as soon as he entered the building, the suspect entered the building,” Adams said in a TV interview. “He appeared to have first walked past the officer and then he turned to his right, and saw him and discharged several rounds.”

The man took the lift to the 33rd floor offices of the company that owned the building, Rudin Management, and shot and killed one person on that floor.

He then shot himself, the commissioner said. The building, 345 Park Avenue, also holds offices of the financial services firm KPMG.

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The officer killed was Didarul Islam, 36, an immigrant from Bangladesh who had served as a police officer in New York City for more than three years, Tisch said at a news conference.

“He was doing the job that we asked him to do. He put himself in harm’s way. He made the ultimate sacrifice,” she said. “He died as he lived. A hero.”

  • Man opens fire in NYC killing 4 people in gruesome attack before turning gun on himself
  • Everything we know about NYC gunman after concerning note is allegedly found that gives possible motive for shooting
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