Children Of Parents Killed On September 11 Follow Them On Wall Street

A few dozen have sworn an oath, like the parents they lost once did, to serve New York as firefighters or police officers.

The little girl set her dad's sneakers by the door. He snugged the laces and set off to work. Just another day. A bright September Tuesday. That girl, Maggie Smith, is 22 now. It's been two decades since her father, Jeffrey Smith, jogged across Lower Manhattan that morning to his office at the investment banking firm of Sandler O'Neill & Partners, on the 104th floor of the World Trade Center. He was killed when the twin towers were brought down that day - one of the 2,753 people who died after the attack in New York City on Sept. 11, 2001. Listen to this story