Attack marks second strike this month on non-Muslims
Source cites stigma and conversion as possible reasons girls want to stay with captors
Local advocacy group blames the government for failing to protect the community
Government confirms the girls are now in state custody
The attack in Maiduguri is the latest strike on the region after months of silence
International religious liberty advocates hope replica refugee hut will help raise awareness of humanitarian crisis
Kenyan officials say they had insufficient intelligence reports prior to the attack
Jae Wasson | Why are ISIS-affiliated groups putting random Americans on hit lists?
Air support helps Somali forces fight terrorists
Nigerian military claimed Abubakar Shekau suffered serious injuries in an August air strike
