Overview

• Investigators discovered a handwritten note on Tamura’s body accusing the NFL of hiding the dangers of head injuries and asking for his brain to be studied for CTE.
• Authorities recovered more than 800 rounds of live ammunition from his vehicle, underscoring the scale of his weapon stockpile.
• Surveillance footage shows Rudin Management associate Julia Hyman stepping out of a fortified panic room before being fatally shot, highlighting vulnerabilities in safe-room protocols.
• Security experts and city officials are reassessing multilayered defenses in 345 Park Avenue after the gunman breached turnstile gates, lobby checkpoints and reinforced safe rooms.
• Investigators in Las Vegas have learned that the shooter was the son of a former LAPD officer with a documented history of mental health struggles and continue to piece together his preparation.