On the evening of July 28, 2025, a lone gunman entered the office building at 345 Park Avenue, located between East 51st and 52nd Streets in Midtown Manhattan. He emerged from a double‑parked BMW around 6:28 p.m., wearing body armor and carrying a high‑powered M4 assault rifle, before opening fire in the lobby area  .

The first victim was Officer Didarul Islam, a 36‑year‑old NYPD officer who had been working security for a private company at the location while off duty. He was shot in the lobby and later died at a hospital. Islam, a Bangladeshi immigrant, had served with the department for about 3½ years and leaves behind a pregnant wife and two young sons  .

The shooter then proceeded to the elevator bank, fatally shooting a security guard, and another civilian in the lobby. He later ascended to the 33rd floor, where he shot and killed one more person before turning the gun on himself. In total, four civilians and the officer were killed, and a fifth person was critically injured but survived  .

Authorities identified the shooter as 27‑year‑old Shane Devon Tamura of Las Vegas. He had driven cross‑country in the days before the attack, passing through Colorado, Nebraska, Iowa, and New Jersey, before arriving in New York shortly before the shooting. Tamura was legally licensed to carry a concealed weapon in Nevada, had no significant criminal record, and reportedly had a documented history of mental health issues. The motive for the attack remains undetermined, and the FBI has joined NYPD in the investigation  .

The building at 345 Park Avenue houses high-profile tenants, including the NFL headquarters, Blackstone, and KPMG. In the aftermath, local and federal law enforcement secured the scene, evacuated occupants, and launched a comprehensive investigation. The tragic incident is the 254th mass shooting in the U.S. in 2025, prompting renewed debate over gun control and office building security measures  .

📝 Key Takeaways:

Location: 345 Park Avenue, Midtown Manhattan

Timeline: Around 6:28 p.m. ET on July 28

Victims: Officer Didarul Islam (NYPD), three civilians, with one other critically wounded

Shooter: Shane Devon Tamura, 27, carried out the attack before committing suicide

Investigation: Ongoing, with involvement from the NYPD and FBI; motive remains unclear