Crossword Genius

Unhappily, FBI can always bring depression after confinement? (5,5)

Ross

I believe the answer is:

cabin fever

I'm a little stuck... Click here to teach me more about this clue!

'depression after confinement?' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'unhappily fbi can always' is the wordplay.
'unhappily' indicates an anagram.
'always' becomes 'ever' (synonyms).
'fbi'+'can'='fbican'
'fbican' with letters rearranged gives 'cabinf'.
'cabinf'+'ever'='CABIN FEVER'

'bring' is the link.

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I've seen this clue in the Sydney Morning Herald.
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