Lawless people who may be found climbing rocky brutal crags (3,8)

I believe the answer is:

cat burglars

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'lawless people who may be found climbing' is the definition.
I can't tell whether this defines the answer.

'rocky brutal crags' is the wordplay.
'rocky' indicates an anagram (letters rocked or thrown around).
'brutal'+'crags'='brutalcrags'
'brutalcrags' is an anagram of 'CAT BURGLARS'.

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I've seen this clue in The Guardian.

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