Chad Terrorist groups - foreign based

Boko Haram: aim(s): establish an Islamic state under strict Sharia across northern Nigeria and the Lake Chad Basin region bordering Cameroon, Chad, and Niger
area(s) of operation: most active in northeastern Nigeria (states of Yobe and Borno), but also operates in northern Cameroon, southeast Niger, and areas of Chad along the Nigerian border, particularly in the Lake Chad Basin; police also have arrested suspected Boko Haram members in Chad's capital, N'Djamena
note: Boko Haram conducts attacks, suicide bombings, targeted killings, kidnappings, and raids for supplies against both civilians and security forces; violently opposes any political or social activity associated with Western society, including voting, attending secular schools, and wearing Western dress (2019)

Islamic State of Iraq and ash-Sham (ISIS)-West Africa: aim(s): implement ISIS's strict interpretation of Sharia; replace regional governments with an Islamic state
area(s) of operation: based primarily in northeast Nigeria along the border with Niger and Chad, with its largest presence in northeast Nigeria and the Lake Chad Basin area (2018)