Global media paid Boko Haram little attention until hundreds girls were abducted , says Sani . Sani became more violent after its founder was killed in 2009 , he says . but I have been a political prisoner who spent many years in prison during our struggle against military dictatorship in Nigeria in the 1990s . At talks in 2009 , the group blamed government action for their militancy , Boko Haram says . He says the use of force to free hostages can be deadly and negotiations must be held .
Global media paid Boko Haram little attention until hundreds girls were abducted , says Sani . Sani became more violent after its founder was killed in 2009 , he says . At talks in 2009 , the group blamed government action for their militancy , Boko Haram says . He says the use of force to free hostages can be deadly and negotiations must be held .