Boko Haram
- Based in the northeastern city of Maiduguri
- Self-proclaimed leader is Abubakar Shekau
- Began in 2002 as a nonviolent Islamist splinter group
- Launched uprising in 2009
- Has killed tens of thousands since 2010
- Boko Haram translates to "Western education is sinful"
- Wants Nigeria to adopt strict Islamic law