Crossword Genius

Managed to leave when it became known (3,3)

Ross

I believe the answer is:

got out

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'became known' is the definition.
('get out' can be a synonym of 'become known')

'managed to leave when it' is the wordplay.
'managed' becomes 'got' (both can mean achieved or secured).
'to leave when' becomes 'ou' (I can't explain this - if you can you should give a lot more credence to this answer).
'it' becomes ''t' (abbreviation. e.g. in 'tis).
'got'+'ou'+'t'='GOT OUT'

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