09/11/2026
"I'll be back for you."
Those were the words Port Authority Police Officer David Lim said to his K-9 partner, Sirius, before rushing up the stairs of the World Trade Center to rescue evacuating civilians on 9/11.
David was one of only 16 survivors who miraculously lived through the collapse of the North Tower inside Stairwell B. While David survived, Sirius tragically lost his life—the only police canine killed on September 11.
Today, David serves as a 9/11 Day Ambassador, keeping Sirius’s memory alive by sharing a message of duty, hope, and compassion with students nationwide. His story proves that even in our darkest moments, the instinct to serve others is what binds us together.
Hear his story during an interview with in 2021 and share the story of someone in your life who has made a difference on this national day of remembrance and service.
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