The killing of a terrorist behind the death of 4 US troops sheds light on France's quiet but intense fight in Africa

  • Africa's Sahel region has emerged as a terrorism hotspot, with several groups killing and displacing thousands of people.
  • The US and European countries have contributed troops and resources to fight those groups, but France has taken the lead.
  • A recent French strike in Mali killed an ISIS-affiliated leader responsible for the death of four US troops in Niger in 2017.