Columbine survivors and their families are speaking out 20 years after two students entered Columbine High School in Littleton, Colorado, and committed tragic acts of violence, killing 12 students, one teacher, and then turning their guns on themselves.
(Watch: Explore Faith, Hope and Forgiveness by Streaming 'After Columbine')
At first, Scott and Todd thought the sounds were part of a senior prank, but when a teacher frantically entered the library and told students to hide, they knew something else was happening.
Todd, who was also in the library that morning, recalled praying during the attack, asking God to help him survive the ordeal.
You can learn more about the hope that Scott, Todd and others have discovered over the past 20 years by watching "After Columbine," a show that features the harrowing stories of Columbine survivors, family members, and others who were directly impacted by the tragedy.