Crossword Genius

Al best at changing aids in criminal acts (8)

Ross

I believe the answer is:

abettals

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'aids in criminal acts' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'al best at changing' is the wordplay.
'changing' indicates an anagram.
'al'+'best'+'at'='albestat'
'albestat' anagrammed gives 'ABETTALS'.

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