On July 22, 2015, twelve-year-old David Bever called 911 to report that his brother was attacking his family. When the police and paramedics arrived at the Broken Arrow, Oklahoma, home they found five dead family members, one who was severely injured, and another who was found unharmed. A short investigation led to the arrest of the Bever’s two older sons. What drove two teenage boys to brutally murder their entire family? Can their behavior be explained by forensic psychology? Listen to find out more.