FILE – In this March 5, 2009 file photo, a machete and bullet casings sit amidst dried blood in the dining room of assassinated Guinea-Bissau President Joao Bernardo „Nino“ Vieira, three days after his death, in Bissau, Guinea-Bissau. A senior United Nations official said Wednesday, July 10, 2013 that planned November elections in the tiny West African nation of Guinea-Bissau can’t be seen as free and fair unless progress is made on investigations of recent high-profile political killings.(AP Photo/Rebecca Blackwell, File)