Lauren Townsend, 18, senior. Was captain of girls' varsity volleyball team, coached by her mother. Other players said she was "consumed" by the sport. Member of the National Honor Society. She planned to attend Colorado State University on an academic scholarship and become a wildlife biologist, like her oldest brother.

"She was to be a senior class valedictorian at her graduation next month," her uncle, David Beck, told CNN. "Lauren, unfortunately, won't have the opportunity to make the impact on the world that I'm sure she would have."

When shooting began in the library, "we understand that Lauren was hit nearly immediately," he said. Her family "takes some comfort in the hope that there was no suffering."