The mother of Joan Angela D'Alessandro presented the artwork Thursday evening outside the Hillsdale train station.
Joan was molested and killed in 1973 by her neighbor - high school teacher Joseph McGowan - after she delivered him Girl Scout cookies.
Rosemarie D'Alessandro is now a tireless advocate for laws to protect kids. She has also lobbied to keep McGowan in prison for life.
The sculpture was unveiled on the 17th anniversary of the day the first of four laws named after Joan was signed into law. Rosemarie is currently working to get a law passed that ensures murderers of children 18 and under are not eligible for parole.