Crossword Genius

Experts break the case (4)

Ross

I believe the answer is:

aces

'experts' is the definition.
(ace is a kind of expert)

'break the case' is the wordplay.
'break' is an anagram indicator.
'case' with letters rearranged gives 'ACES'.

(Other definitions for aces that I've seen before include "Champions" , "Flying war heroes" , "Ones or elevens in cards" , "Top (or bottom) cards" , "Experts (in their field)" .)

I've seen this clue in The Globe and Mail.
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