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By Robert Birsel
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A gunman with a history of mental health issues killed four people, including a New York City police officer, at a midtown Manhattan office building that houses some of the country's top financial firms and the NFL, authorities said.
Police, citing preliminary information, identified the gunman as Shane Devon Tamura, 27, of Las Vegas. He died from a self-inflicted gunshot wound, NYPD Commissioner Jessica Tisch told a news conference.
A photograph posted online showed a man carrying an M4 rifle, striding along a city street. He was wearing sunglasses, a blue jacket, black trousers and sneakers.
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Police said the gunman acted alone.
"Mr. Tamura has a documented mental health history," Tisch said, citing information from Las Vegas police. She did not elaborate.
"His motives are still under investigation and we are working to understand why he targeted this particular location," the commissioner added.
What To Know
CNN cited law enforcement officials as saying Tamura was born in Hawaii but later moved to Las Vegas. In his youth, he was a competitive football player.
Tamura entered the lobby of the commercial office building at 345 Park Avenue while "spraying it with gunfire" and killing three people, including police officer Didarul Islam, Tisch said. A woman and the shooter were found dead in a hallway on the building's 33rd floor.
Police watched surveillance video footage to track Tamura back to his BMW vehicle, which he double parked on Park Avenue and exited alone, Tisch said.
The BMW vehicle is registered in Nevada to Tamura, Tisch said.
"Inside of that vehicle, officers found a rifle case, with rounds, a loaded revolver, ammunition and magazines, a back-pack and medication prescribed to Mr. Tamura," Tisch said.
She did not elaborate on the medication but she also said: "According to our law enforcement partners in Las Vegas, Mr. Tamura has a documented mental health history."
Tisch said police bomb squad officers searched the vehicle and found it to be clear of any explosives.
Tamura had apparently driven quickly across the country before his deadly rampage.
"The initial investigation shows that Mr. Tamnura's vehicle traveled across country through Colorado, on July 26, then Nebraska and Iowa on July 27, and then in Columbia, New Jersey, as recently as 4.24 p.m. today," Tisch said. "The vehicle entered New York city shortly thereafter."
CNN reported that Tamura, who had no significant criminal background, had a concealed-carry license for a handgun as well as an expired private investigator license in Nevada.
The only victim identified is Officer Islam, 36, an immigrant from Bangladesh and a 3 1/2-year veteran of the NYPD stationed at the 47th Precinct in the Bronx.
A father of two young boys, his wife is expecting a third child.
Names of the other victims are being withheld until their families are notified.
If you or someone you know is considering suicide, contact the 988 Suicide and Crisis Lifeline by dialing 988, text "988" to the Crisis Text Line at 741741 or go to 988lifeline.org
Update 07/29/2025, 04:05 a.m. ET: This story has been updated with further information.
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