Crossword Genius

Staff, reportedly after pay increase, cause a commotion (5,4)


I believe the answer is:

raise cain

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'cause a commotion' is the definition.
(I've seen this before)

'staff reportedly after pay increase' is the wordplay.
'staff reportedly' becomes 'cain' (I can't explain this - if you can you should believe this answer much more).
'after' is a charade indicator (letters next to each other).
'pay increase' becomes 'raise' (I've seen this in another clue).
'cain' after 'raise' is 'RAISE CAIN'.

Can you help me to learn more?

(Other definitions for raise cain that I've seen before include "as Adam and Eve did" , "Create an uproar - elevate murderer" , "make an almighty fuss" , "Make an uproar - lift Abel's brother" , "Cause a commotion" .)

I've seen this clue in The Times.
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