This Info Flash examines the recent history and attempts to regulate mercenaries on national and international levels, the history of Russian mercenaries, and the implications of the use of mercenaries in Ukraine. There is a focus on the Wagner Group, which has grown in importance due to the group’s recent size increase and its leadership’s growing influence in the Kremlin. Targeting these groups through their finances and contracts is a good way for the West to counter their activities in Africa and the Middle East.