Five years later, even those who have never set foot near Newtown, Connecticut, can conjure the scene painted by police of a first-grade classroom transformed into a killing field.
Dawn Hochsprung, the slain Sandy Hook principal, ran toward danger in her attempt to save students.
Hochsprung's daughter, Tina Hassinger, shared a story on Thursday about an unknown hero from that day: the "woman in the Target parking lot:"