A joint operation by U.S. and Nigerian forces killed a top commander of the Islamic State West Africa Province (ISWAP) in the Lake Chad Basin on Saturday, a strike that signals a new, more aggressive phase of military cooperation between the two countries. U.S. President Donald Trump announced the death of Abu Bakr al-Mainuki in a social media post, while the Nigerian government confirmed the operation and credited U.S. intelligence as being “key” to its success.
Al-Mainuki, born in 1982 in the village of Mainok in northeastern Borno state, had risen to become one of ISWAP’s most critical figures since the group split from Boko Haram. He served as a deputy to the late ISWAP leader Abu Musab al-Barnawi and was identified by the U.S. State Department as a “Specially Designated Global Terrorist” in 2023. A Nigerian military spokesperson described him as a “key ISIS operational and strategic figure” who managed the group’s media operations, finances, and weapons development. Both Trump and the Nigerian military said recent intelligence suggested al-Mainuki may have been appointed “Head of the General Directorate of States,” which would have made him second-in-command within the global Islamic State hierarchy, though some analysts have disputed that claim.
The operation marks a dramatic turnaround in U.S.-Nigeria relations, which reached a low point last year when Trump accused the Nigerian government of perpetrating “Christian genocide.” Nigeria repeatedly denied the accusation and engaged Washington in a diplomatic push that led to renewed military cooperation. In February, the U.S. deployed troops to Nigeria, initially restricted to advisory and training roles, following an airstrike against ISWAP targets last December. This weekend’s operation, however, involved direct action against a high-value target.
Bulama Burkati, a security analyst who focuses on sub-Saharan Africa, said the operation “would demonstrate to [militants] that the American-Nigerian operation has really picked up.” He noted that Nigerian forces lack the basic capacity to fight violent extremist groups in the densely forested Lake Chad region, where several armed groups fund themselves by taxing local communities and use the difficult terrain to avoid military strikes.
Analysts said al-Mainuki is the most senior militant leader to be killed by any security agency in Nigeria, where militant leaders have historically died as a result of infighting rather than targeted operations. His killing is expected to disrupt ISWAP’s operations in the short term, but experts stress that precision strikes must be sustained to diminish the group’s capacity for recruitment and financing. “This kind of counterterrorism operation can disrupt the group’s finance, recruitment, and planning at the provincial level,” Burkati said.
Nigeria is grappling with a complex security crisis that includes jihadi groups like Boko Haram, ISWAP, and the Lakurawa faction, as well as criminal gangs specializing in kidnapping for ransom. The United Nations estimates that the conflict has killed tens of thousands of people and displaced millions since 2009.