Overview
- On July 28, a 27-year-old gunman armed with an AR-15-style rifle opened fire in the lobby of 345 Park Avenue, a 44-story Midtown Manhattan skyscraper.
- Four people died, including off-duty NYPD officer Didarul Islam, and a fifth victim remains in critical condition.
- Investigators recovered a suicide note in which Shane Devon Tamura claimed to suffer from CTE, blamed the NFL and asked for his brain to be studied.
- Police Commissioner Jessica Tisch said officers secured the building with a lockdown supported by helicopters and drones and confirmed no other suspects.
- The shooting has intensified calls for stricter assault weapon laws, enhanced mental health services and greater scrutiny of contact sports brain injuries.