Anne Marie Hochhalter was a survivor of the 1999 mass shooting at Columbine High School, which killed 12 students and one teacher. She was found dead in her Westminster home Sunday at the age of 43.

The parents of a Columbine shooting victim who was killed shared their story of how survivor Anne Marie Hochhalter -- who died this week -- helped them and became very close with their family.

While Columbine High School shooting survivor Anne Marie Hochhalter’s life was shaped by tragedy, the tenacious woman worked hard to ensure it was not defined by it.