To demand money with threats no longer wrong (6)
I believe the answer is:
extort
'to demand' is the definition.
(thesaurus)
'no longer wrong' is the wordplay.
'no longer' becomes 'ex' (prefix meaning former or onetime).
'wrong' becomes 'tort' (a civil wrong in law).
'ex'+'tort'='EXTORT'
'money with threats' acts as a link.
I am not very happy about this link. Some or all of it may be part of another bit of the clue.
Can you help me to learn more?
(Other definitions for extort that I've seen before include "Obtain (money etc) by force" , "Force from, tax or confession" , "Blackmail" , "Unjustly oblige to pay" , "Gain money by force" .)