Shane D. Tamura Las Vegas, Nevada man id as 345 Park Avenue shooting suspect alleged to have killed up four, including NYPD cop before killing self on 33rd floor.
A lone gunman who killed four, including a NYPD officer at 345 Park Avenue on Monday evening was identified as a 27-year-old Las Vegas, Nevada man, according to law enforcement sources.
Shane D. Tamura was identified as the shooter alleged to have entered the 44-floor midtown office building located at 52nd st between Lexington and Park Ave and opened fire, killing one police officer and three civilians. At least one other person was critically wounded during the rampage, authorities announced during a Monday night press conference.
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Authorities also found a BMW vehicle with Nevada plates registered to Tamura at the scene, sources said according to the nypost.
A photo shared on social media showed Tamura had a concealed firearms permit from Las Vegas that expires in 2027.
The shooting led to panic throughout the glossy tower that houses the NFL headquarters, Blackstone asset management and other companies. The gunman was captured on surveillance strolling into the building with a M4 rifle.
Tamura had a silencer attached to his weapon when he opened fire inside the lobby at around 6.30pm, with approximately 30 people inside. At the time of the shooting, Tamura was donning a bullet proof vest, CNN reported.
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NYPD Officer Didarul Islam, (pictured below) who was working private security at the time, was shot in the back and killed. Three others were killed in the attack. Their identities were not yet known.
Islam, a father of two children was expecting a third child, with his eight months pregnant wife, sources said.
Meanwhile, the gunman was found dead from a self-inflicted gunshot wound on the 33rd floor of the building, where he had barricading himself. Also found deceased was a female victim who the gunman shot after taking the lift from the lobby and alighting on the 33rd floor.
It remained unclear why he had chosen to alight at the 33rd floor and whether he had sought to particularly target an office or an individual on that floor.
Park Ave shooter worked as security guard at Las Vegas casino
Is this him? SHANE D TAMURA pic.twitter.com/SqXBM6BB9e
— Mark S (@munchymarks) July 29, 2025
Lone shooter contained with NYPD press conference upcoming
The 33rd-floor office housed the real estate management firm Rudin Management.
Tamura was a stand-out running back at a California high school, according to an old interview he did with a local news outlet (see immediately above).
According to internet sleuths, Tamura was a high school and college standout at Golden Valley High School and Granada Hills in California.
Tamura who may have harbored NFL hopes, only to end in despair, may have been prompted to attack the National Football League (NFL) headquarters on 345 Park Avenue in midtown Manhattan. Other offices at the ritzy address included, BlackRock, the offices of Deutsche Bank, JP Morgan and Consulate General of Ireland.
Authorities had yet to say what led to the gunman targeting the midtown Manhattan building.
The scene is ‘contained’ and the ‘lone shooter has been neutralized,’ NYPD commissioner Jessica Tisch said on X.
The investigation remains ongoing. A press conference about the incident is expected to take place later Monday evening.
