Foreword by Kathleen Heide.- Foreword by Irvin Waller.- Preface.- Young Male Homicide Offenders and Victims: Current Knowledge, Beliefs, and Key Questions.- The Pittsburgh Youth Study.- Homicide, Offenders, and Victims in the United States, Pennsylvania, Pittsburgh, and the Pittsburgh Youth Study.- Early Risk Factors for Convicted Homicide Offenders and Homicide Arrestees.- Prediction of Homicide Offenders out of Violent boys.- Early Risk Factors...