Cyber-bullied after prisoner was restrained (10)

I believe the answer is:

controlled

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'restrained' is the definition.
(associated in meaning)

'cyber-bullied after prisoner' is the wordplay.
'cyber-bullied' becomes 'trolled' (I am not sure about this - if you are sure you should believe this answer much more).
'after' says to put letters next to each other.
'prisoner' becomes 'con' (abbreviation for 'convict').
'trolled' put after 'con' is 'CONTROLLED'.

'was' acts as a link.

Can you help me to learn more?

(Other definitions for controlled that I've seen before include "Restrained" , "Regulated" , "Supervised" , "under supervision" , "Disciplined" .)

I've seen this clue in the Sydney Morning Herald.

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