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Free
traitor
imprisoned
by
US
troops
(6)
Free traitor imprisoned by US troops (6)
hints
0
checks
0
hints
The definition is at the beginning of the clue.
How the clue works
The definition is Free (as in "without charge"). US troops gives you GIS — as in GIs — and traitor gives you RAT, which gets imprisoned inside it, so you end up with G-RAT-IS.