Katembo had also worked in feature films . He was assistant director on the 2010 Congolese crime thriller , '' Viva Riva ! '' , which was directed by Djo Tunda Wa Munga . Katembo was also an assistant director the Canadian drama , '' War Witch '' ( 2012 ) , directed by Kim Nguyen . '' War Witch '' received a nomination for Best Foreign Language Film category at the 85th Academy Awards
85th Academy Awards
85th Academy Awards
Kiripi Katembo