Crossword Genius

Bewildered prisoner set up (10)

Ross

I believe the answer is:

confounded

'bewildered' is the definition.
('confound' can be a synonym of 'bewilder')

'prisoner set up' is the wordplay.
'prisoner' becomes 'con' (abbreviation for 'convict').
'set up' becomes 'founded' (I've seen this in other clues).
'con'+'founded'='CONFOUNDED'

(Other definitions for confounded that I've seen before include "ending of Te Deum?" , "Confused; astonished" , "Surprised" , "Brought to confusion" , "Really annoying (nuisance)" .)

I've seen this clue in The Telegraph.
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