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A couple of fellows berate about site of state-sponsored murder (8)

Ross

I believe the answer is:

scaffold

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'site of state-sponsored murder' is the definition.
I can't tell whether this definition defines the answer.

'a couple of fellows berate about' is the wordplay.
'couple of fellows' becomes 'ff' (I can't justify this - if you can you should believe this answer much more).
'berate' becomes 'scold' (synonyms).
'about' is an insertion indicator.
'a'+'ff'='aff'
'aff' placed within 'scold' is 'SCAFFOLD'.

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(Other definitions for scaffold that I've seen before include "Platform on which criminals were executed" , "1960s group?" , "Temporary structure around a building" , "Platform on which criminals were once hung" , "Platform refreshment" .)

I've seen this clue in The Daily Express.
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