They revise total number of girls killed to at least 230 . This poor corner of Nigeria is no stranger to such brazen , violent acts . Boko Clan - related violence killed hundreds in the first three months of 2014 . The number of girls taken from the school has been revised by officials several times , and on Monday , CNN spoke with Principal Asabe Kwambura , who said a new figure of at least 230 was determined after reviewing records and taking reports from parents . The latest violence has ratcheted up pressure on the government .
They revise total number of girls killed to at least 230 . This poor corner of Nigeria is no stranger to such brazen , violent acts . Boko Clan - related violence killed hundreds in the first three months of 2014 . The latest violence has ratcheted up pressure on the government .