"After she had been shot on Wednesday, she said it felt as though the angels were there with her, putting their hands over her mouth -- whispering to her to be quiet," her grandfather said. "'I was quiet when I needed to be quiet,' she told us."

Between the balloons being released into the sky in the Stay family's memory, in between all of the tears and the hugs among those in the crowd who knew them, there were many reminders of Cassidy's actions -- and not just from her grandfather -- on Saturday.

Her name, after all, was among those on the board with those of her slain family members.

Hers was the only heart that wasn't red. And it was the only one with extra words added: "Our hero."