A place to go after hidden traitors (6,6)

I believe the answer is:

secret agents

'traitors' is the definition.
(eg secret agents for another country)

'a place to go after hidden' is the wordplay.
'place to go' becomes 'gents' (gentlemen's toilet).
'after' means one lot of letters go next to another.
'hidden' becomes 'secret' (I've seen this in another clue).
'a'+'gents'='agents'
'agents' after 'secret' is 'SECRET AGENTS'.

(Another definition for secret agents that I've seen is " Spies".)

I've seen this clue in The Guardian.

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