CNN 's Arwa Damon travels to the Niger-Nigeria border in search of Boko Haram . Islamist militant group has terrorized Nigeria 's northeastern Borno State in recent years . Group abducted nearly 300 schoolgirls in Borno in April ; officials are still searching for them . TL;DR
CNN 's Arwa Damon travels to the Niger-Nigeria border in search of Boko Haram . Islamist militant group has terrorized Nigeria 's northeastern Borno State in recent years . Group abducted nearly 300 schoolgirls in Borno in April ; officials are still searching for them . Thousands of Nigerians have fled across the border with Niger to avoid the violence .