Sitting in the library at Columbine High School, his son's shoes on his feet, Tom Mauser doesn't focus on what happened 25 years ago. Instead, he reflects on the good happening inside another school ...

Lowrie was approached for a donation to the library by Angela Sanders, the daughter of the slain Columbine teacher credited with saving many lives during the April 20 massacre.

"I felt like I was in a museum," said Dawn Anna, whose daughter, Lauren Townsend, was killed in the library. Patricia DePooter, whose son, Corey, was killed at Columbine, said looking at the evidence ...