Public prosecutor Svein Holden holds documents as he arrives for the first day of the trial against Anders Behring Breivik in Oslo, April 16, 2012. The terrorism and murder trial against Norwegian mass killer Anders Behring Breivik, who has confessed to the bomb and shooting attacks that killed 77 people in Norway in July 2011, began in Oslo on Monday. REUTERS/Fabrizio Bensch (NORWAY - Tags: CRIME LAW)