Learn about Shane Devon Tamura, the 27‑year‑old gunman who opened fire inside a Midtown Manhattan high‑rise on July 28, 2025, killing four—including an off‑duty NYPD officer—before taking his own life. Key facts on his background, motive, and aftermath.

Shane Devon Tamura: The Gunman Behind the Midtown Manhattan Mass Shooting

Who Was Shane Devon Tamura?

Shane Devon Tamura, a 27‑year‑old man formerly living in Las Vegas, was identified by New York authorities as the lone gunman responsible for the mass shooting at 345 Park Avenue in Midtown Manhattan on July 28, 2025. Tamura, a one‑time security guard and high‑school football player from California, carried a concealed firearms permit and had a recorded history of mental health issues.

The Attack Timeline: From Las Vegas to New York

Cross‑Country Journey

Investigators confirmed Tamura drove from Las Vegas across several states—including Colorado (on July 26), Nebraska and Iowa (on July 27), before passing through New Jersey as recently as 4:24 p.m. on July 28—arriving in Manhattan just hours before committing the attack.

Entering the Building

At approximately 6:28 p.m., Tamura double‑parked a black BMW outside the 44‑story tower at Park Avenue between 51st and 52nd Streets. Video surveillance captured him entering the lobby, carrying an AR‑15‑style M4 rifle in plain view, and opening fire within seconds .

Lobby Rampage

He immediately shot NYPD Officer Didarul Islam, who was on duty as private security. He also fatally wounded a woman behind a pillar and a security guard at the desk; another man was critically injured. Additional people sustained minor injuries while fleeing.

Upper‑floor Shooting and Suicide

Tamura then rode the elevator to the 33rd floor, reaching the offices of Rudin Management, where he shot and killed another individual. He walked down the hallway and ultimately died from a self‑inflicted gunshot wound to the chest.

Who Were the Victims?

• Officer Didarul Islam, 36, was a Bronx‑based NYPD officer working a paid security detail. He is survived by his pregnant wife and two young sons.
• Three civilians—two men and one woman—were killed in the shooting, though their names have not been released pending family notification.
• A sixth individual remains in critical but stable condition, while four others suffered minor injuries while fleeing the scene.

What Authorities Know About Tamura

• Tamura held a concealed carry permit issued in Nevada and had previously worked as a security guard at a Las Vegas casino.
• He had been granted a private investigator license (now expired) and played competitive football in high school at Granada Hills Charter in California.
• Officials emphasized his documented history of mental illness, though details about his motives remain under investigation.

Aftermath and Investigation

The FBI joined local law enforcement in the investigation. Police have confirmed that Tamura acted alone and that there is no ongoing or further threat to public safety. The building, housing major firms such as NFL headquarters, Blackstone, KPMG, and Rudin Management, was briefly locked down while authorities conducted checks and recovered evidence, including firearms, ammunition, a backpack, and medications—but no explosives were found.

Why Tamura Targeted 345 Park Avenue — Unknown

As of now, investigators have not uncovered any clear connection between Tamura and the building, its tenants, or any of the victims. Authorities are working to establish a motive, but no definitive reason has been identified.

Shane Devon Tamura was a Las Vegas‑based 27‑year‑old with a background in security and mental health concerns, who drove cross‑country and carried out a mass shooting at 345 Park Avenue on July 28, 2025. His rampage claimed five lives including his own and an NYPD officer. His motive remains unclear, and officials stress any threat to the public has passed.

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