US objects first to arraigning criminal in camera (9)

I believe the answer is:

americana

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'us objects first to arraigning criminal in camera' is the definition.
I can't judge whether this definition defines the answer.

'first to arraigning criminal in camera' is the wordplay.
'first to' says to take the initial letters.
'criminal' is an anagram indicator.
The initial letter of 'arraigning' is 'a'.
'in'+'camera'='incamera'
'incamera' with letters rearranged gives 'mericana'.
'a'+'mericana'='AMERICANA'

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(Other definitions for americana that I've seen before include "Foreign collection" , "Things associated with the US" , "Wild West material?" , "Artefacts distinctive of the US" , "items from US" .)

I've seen this clue in The Independent.

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