Overview

• A lone attacker armed with an AR-15 and wearing a bulletproof vest opened fire July 28 at the 44-story Blackstone Building on Park Avenue near 52nd Street
• A security officer was fatally shot at the entrance and two other people were seriously injured before the shooter barricaded himself on the 33rd floor and died by suicide
• New York City police completed a full evacuation of tenants and have maintained control of the building since the assault
• Federal Bureau of Investigation agents have joined the NYPD at the scene to oversee evidence collection in the active investigation
• Authorities continue to probe the gunman’s background and motive while reviewing security protocols at prominent corporate headquarters