Beaurocratic Murder
Mercenaries ? The entire French Foreign Legion are mercenaries as are all non-Brits serving with the British armed forces.
Mercenary = A professional soldier hired to serve in a foreign army.
https://www.msn.com/en-gb/news/world/vladimir-putin-s-puppets-preparing-execution-site-for-captured-brits/ar-AAZyPhN?ocid=winp1taskbar&cvid=69114284d5254d99ed48a7da0f100945