The death of Abdelmalek Droukdel -- once regarded as Algeria's enemy number one -- could leave AQIM in disarray.
Sudanese militia leader Ali Kushayb surrendered to authorities in a remote corner of northern Central African Republic.
There was no immediate confirmation of his death from al-Qaida.
Col. Bradley D. Moses was in charge of the Third Special Forces Group in October 2017 when his troops were ambushed.
For the second time since it was activated in 2008, U.S. Africa Command is admitting it killed civilians in an airstrike.
Officials with U.S. Africa Command will launch a new report tracking allegations of civilian casualties.
The dead men were among a group of 58 suspects captured during a major army operation around Lake Chad.
Troops who were part of the hunt in central Africa for rebel warlord Joseph Kony are eligible for medals.
The U.S. State Department said it was "outraged” by the attack and saddened by the fatality.
Joint Chiefs Gen. Mark Milley testified on the challenges that the SFAB will face in Africa before the HASC.