Sue Klebold is the mother of Dylan Klebold, one of the perpetrators of the Columbine High School shooting in 1999. Following the tragedy, she became an advocate for mental health awareness and suicide prevention, sharing her experiences to help others understand the signs of mental illness. In her book, "A Mother's Reckoning: Living in the Aftermath of Tragedy," Sue reflects on her son's struggles and the impact of the shooting on families and communities. She emphasizes the importance of open conversations about mental health and the need for support systems for those in crisis.