The two jihadist groups continue their rampage in Mali, Niger, and Burkina Faso.
The attack in Mali’s northern Gao region is one of the deadliest in recent months.
Two recently released booklets by the al Qaeda group are likely meant to assuage tensions both within and outside its organization.
It is unclear if the unit represents a splinter of al Qaeda’s JNIM, though the group now represents an Islamic State-loyal faction close to the borders with Mauritania.
The al Qaeda group has claimed a series of attacks across the Sahel in recent weeks.
The large video details several major Islamic State operations inside the Sahel over the last few years.
In addition to the prison break, JNIM also claimed two other recent attacks in Mali and Burkina Faso.
JNIM took credit for last month’s suicide assault in Gao, Mali. According to the French, however, the attack was largely a failure.