Sandy Hook: Five years later, victims' families find new purpose

Watch the Harrowing New 'Back to School' Shooting PSA from Sandy Hook Parents

Sandy Hook Elementary Shooting: Teacher's Training Saved Kid's Lives

Sandy Hook principal remembered

2 legal wins for Sandy Hook parents in battles

Protect Kids From Gun Violence

5 years after tragedy, family members of Sandy Hook shooting victims work for change

Heroes Emerge Amid Sandy Hook Elementary Shootings

Remembering the Sandy Hook victims: 11 years later