Lawyer's writings edited as an alternative (10)

I believe the answer is:

prosecutor

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'lawyer's' is the definition.
(prosecutor is a kind of lawyer)

'writings edited as an alternative' is the wordplay.
'writings' becomes 'prose'.
'edited as' becomes 'cut' (I can't justify this - if you can you should give a lot more credence to this answer).
'an alternative' becomes 'or'.
'prose'+'cut'+'or'='PROSECUTOR'

Can you help me to learn more?

(Other definitions for prosecutor that I've seen before include "originator of suit" , "Court official" , "Legal official" , "Lawyer" , "One stating the case against a defendant" .)

I've seen this clue in The Telegraph.

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