Mom Realizes Her Son is a Mass Killer

A mother's love is unconditional, but what happens when she realizes her son is a mass killer? This is the heart-wrenching reality faced by mothers of school shooters, who must confront the unthinkable. Some, like Sue Klebold, the mother of Columbine shooter Dylan Klebold, have shared their stories of grief and guilt, wondering what signs they missed. The movie "Mass" explores this through a meeting between the parents of a shooter and the parents of his victim. In a chilling moment, a mother finds her son's detailed journal of violent plans, forcing her to choose between protecting him and protecting others. This is the nightmare every mother fears.