NYC Office Building Shooting: Investigation into Shane Tamura's Rampage

Active Shooter Incident at 345 Park Avenue

• 🚨 Emergency calls reported an active shooter at 345 Park Avenue in New York City on Monday around 6:28 p.m.
• 🎯 Law enforcement identified the suspect as 27-year-old Shane Tamura, who entered the building with an AR-15 style assault rifle.

Sequence of Events and Victims

• 💥 Tamura allegedly shot an off-duty NYPD officer working security in the lobby.
• 🏢 He then proceeded to shoot a female in the lobby, a security guard behind a desk, and another person.
• 🚶‍♂️ Video footage indicates Tamura spared a person exiting an elevator, but shot a security guard.
• 🎯 On the 33rd floor, Tamura fired shots upon entering Ruden Management offices, hitting one person.

Suspect's Motives and Background

• 📝 Investigators found a three-page note in Tamura's wallet, suggesting a possible motive targeting NFL headquarters.
• 🧠 The note claimed Tamura suffered from CTE, possibly from high school football, and blamed the NFL, referencing a 2013 Frontline documentary.
• 🔬 Tamura reportedly requested his brain be studied, and he died by suicide, shooting himself in the chest.
• ⚠️ Law enforcement in Nevada reported prior mental health incidents involving Tamura.

Weapon and Investigation Details

• 🛠️ The AR-15 style rifle used in the shooting was reportedly assembled by Tamura using a lower receiver purchased by an associate.
• 🚗 Items found in Tamura's vehicle included a loaded revolver, ammunition, two cell phones, and prescription medication.
• 🔍 The investigation is ongoing in both New York City and Las Vegas, with NYPD teams executing search warrants and conducting interviews in Nevada.