homicide , the Justice Ministry in Greece said . Alexis Grigoropoulos , 25 , was killed by a police bullet in December 2008 . Demonstrators clash with police officers even before the official march begins . A police officer was found guilty in 2009 of culpable homicide .
Alexis Grigoropoulos , 25 , was killed by a police bullet in December 2008 . Demonstrators clash with police officers even before the official march begins . A police officer was found guilty in 2009 of culpable homicide .