"I felt the wind at my back and knew it was time to dive"

The fire safety director of World Trade Center Tower No. 2, retired firefighter Kevin Horan, was coordinating the evacuation when the building started to collapse. After seeing a firefighter killed when he was hit by a victim falling from a higher floor, Horan turned and ran. He barely made it out alive.

Listen to Horan's story, available in MP3 and Real Media formats, below.