NYPD Officer Moira Smith helps an injured man on the morning of 9/11/2001. Shortly after the photo was taken, she returned to the lobby of the south tower. She was killed ten minutes later when the building collapsed.

NYPD Officer Moira Smith helps an injured man on the morning of 9/11/2001. Shortly after the photo was taken, she returned to the lobby of the south tower. She was killed ten minutes later when the building collapsed.