Ten years after the Bever brothers murdered their parents and three siblings as part of a planned killing spree, people still wonder what forces or factors put two Broken Arrow teens on the path to mass murder. Brandon Tener, now a captain with the Broken Arrow Police Department, has never been able to shake his memories of the night he became the first responder to set foot in the Bever family home. Read by Tulsa World Reporter Tim Stanley. The written and video series are available at go.tulsaworld.com/bever.