Delaney Colaio, who was 3 on September 11, 2001, will never know her father, Mark Colaio, or her uncles, Stephen Colaio and Thomas Pedicini, all of whom were killed while working for Cantor Fitzgerald on the 104th floor of Tower 1 of the World Trade Center that day.
She writes to those affected by the recent terrorist attack in Manchester in USA Today.
