Get away after outing Republican swindle (4)

I believe the answer is:

scam

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'swindle' is the definition.
(I know that scam is a type of swindle)

I don't understand the rest of the clue.

(Other definitions for scam that I've seen before include "rook" , "Dubious operation" , "fiddle" , "Fraudulent trick or swindle" , "A slangy swindle or fraud" .)

I've seen this clue in The Times.

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