failings

Dr Joanne Grenfell, the Bishop of Stepney and the Church of England's lead safeguarding bishop, said the failings identified in the report into Smyth's abuse meant it was "now necessary for others to take up the baton".

The investigation will look into possible security lapses and failings in the mental health systems in NSW and Queensland, Cauchi's home state.

"I think lots of people in north Wales will be astonished that we are almost two years on from when the scandals broke and this health board went back into special measures and yet no one seems to have been held to account for the failings which have taken place," he said.

External accountants EY were called to investigate further and found what they described as "systemic cultural failings" in the finance team where staff were said to have made "deliberate" incorrect entries into accounts.

The company is currently awaiting sentencing after it pleaded guilty, in June, to charges related to cyber-security failings.