What should we do with a child who commits a violent crime, particularly murder? Must our sentence be based on the crime and thus ignore the youthfulness of the offender? Or can we sentence the child and moderate our demands for retribution for violent crime? A related question is whether we should just lock them up and throw away the key. Can we accurately prediic what today’s violent adolescents will be like when they are middle-aged adults? Although some justifications may be found for...