Gweta rinorwira kodzero dzevanhu uye vari mukuru weHuman Rights Watch kuchamhembe kweAfrica , VaDewa Mavhinga vanoti havasi kushamiswa nenyaya yekutemerwa zvirango kwaitwa VaTagwirei sezvo vagara vachipomerwa mhosva dzehuori dzisiri kuongororwa munyika .