Manhattan Mass Shooting: Shane Tamura Identified as Gunman Behind Park Avenue Attack
Mass Shooting at 345 Park Avenue, Manhattan
On the evening of Monday, July 28, 2025, a gunman opened fire inside 345 Park Avenue, a prominent Midtown Manhattan skyscraper housing major companies including Blackstone, the NFL headquarters, and KPMG. The attack resulted in the deaths of four people, including an off-duty NYPD officer, and critically injured another before the shooter died by suicide.
Timeline of the Attack
- Around 6:30 p.m., the suspect arrived in a black BMW, entered the building lobby, and began shooting.
- He killed Officer Didarul Islam, aged 36 and a father expecting a third child, along with three civilians, including a Blackstone executive.
- After firing in the lobby, the gunman ascended to the 33rd floor, killed another person, and then fatally shot himself.
Law Enforcement Response
- A Level 3 police mobilization led to rapid evacuation and lockdown of the building.
- Authorities found firearms, ammunition, a rifle case, medications, and a note in the suspect’s vehicle.
Profile: Shooter Shane Tamura
Name: Shane Devon Tamura, 27 years old, originally from Hawaii, later lived in Las Vegas.
Background:
- Former standout high school football player in California—many believed he could have gone pro.
- Held a Nevada concealed-carry permit for the rifle used in the attack and once briefly carried a private investigator’s license.
Mental Health: Documented history of mental illness; his vehicle contained medication and a potential suicide note.
Travel: He reportedly drove cross-country from Las Vegas to New York and entered the building just hours before the shooting.
Possible Motive: Suicide Note & Football Connection
Tamura left behind a final note referencing his mental health struggles and anger at the NFL’s management of concussions and CTE (chronic traumatic encephalopathy). He also requested his brain be studied.
Investigators are reviewing whether unfulfilled dreams of an NFL career, combined with health issues, spurred his actions.
Victims & Casualties
- Officer Didarul Islam – off-duty NYPD officer, father of two with a third child on the way.
- Blackstone executive (identity not disclosed).
- Two additional civilians were killed in the lobby.
- One person was critically injured on the 33rd floor.
Investigation & Public Response
- The FBI and NYPD are jointly investigating the incident, analyzing surveillance footage, Tamura’s devices, and the notes found.
- NYC officials, including Mayor Eric Adams and Police Commissioner Jessica Tisch, praised Officer Islam as a hero and offered condolences to families.
- Calls for stricter gun control and mental health regulations have intensified amid nationwide debate.
Why This Matters
- This was the 254th mass shooting in the U.S. in 2025, according to the Gun Violence Archive.
- The building’s prominent tenants and daytime crowd made it a particularly high-profile target, intensifying public fear and scrutiny.
- The incident reignites urgent discussions about firearm licensing, mental health support, and corporate building security.
Summary
Shooter Shane Devon Tamura, a troubled ex-athlete with a history of mental health issues, carried out a mass shooting at 345 Park Avenue on July 28, 2025. Using a legally owned assault rifle, he killed four people—among them an off-duty NYPD officer—and injured several others before taking his own life. Investigators uncovered a potential motive referencing NFL concussion policies and fought mental illness. The tragedy has prompted broad examination into gun laws, workplace safety, and mental health interventions.
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