Christian Brueckner was confronted as he left the court Germany after being convicted of insulting guards at the prison where he is serving a seven-year sentence for rape.
Christian Brueckner is currently in German jail for raping a woman in 2005 in the part of Portugal's Algarve region where three-year-old Madeleine McCann went missing in 2007.
Christian Brueckner , 48, is the main suspect in the disappearance of three-year-old Madeleine McCann, who vanished from a holiday apartment in Praia da Luz, Portugal, in May 2007.