Overview

• Investigations by federal and local authorities continue into shooter Shane Devon Tamura’s background, weapon sources and potential mental-health issues
• Major tenants like the NFL and Blackstone underscore that even high-security towers can be breached, driving firms to reassess risk across all sites
• Security consultants advise a multipronged “Four Ds” strategy—deter, detect, delay and detain—backed by AI video analytics and strict visitor controls
• Companies are embedding run-hide-fight drills and reinforced safe rooms into emergency protocols to improve employee response time
• New York leaders have called for tighter assault-weapons regulations and further research into chronic traumatic encephalopathy following the attack