In May 1998, a year before the massacre at Columbine High, fifteen-year-old Kip Kinkel murdered his mother and father, and then opened fire at Thurston High School in Springfield, Oregon, killing two fellow students and wounding twenty-five others. In this first in-depth television examination of a school shooter, FRONTLINE reveals the intimate inside story of how the "shy and likeable" Kip Kinkel from a solid middle-class family became the boy police call "a cold-hearted killer."