The offence of conspiracy to cheat has never been tried in a British court.
Murray, 28, who is having psychiatric treatment in hospital and was convicted of the same offence of conspiracy to transfer prohibited weapons, will be sentenced later.
His concern at the time had been at the use by prosecutors of the judge-made, catch-all offence of conspiracy to corrupt public morals.
Lawyers for Betson and Cockram argue that if they were to have been convicted of anything, it should have been the lesser offence of conspiracy to steal.
"Proceedings against Ms Wheeler were commenced on 22 January 2013 by way of summons for an alleged offence of conspiracy to commit misconduct in public office.
In 1998 the emergency response to the Omagh bombing included such logically unrelated initiatives as a new offence of conspiracy to commit terrorist attacks abroad.
Gregor McGill, from the Crown Prosecution Service (CPS), said: "The CPS has authorised the Metropolitan Police to charge Jules Stenson, former features editor of the News of the World, and to summons Neil Wallis, former deputy editor of the News of the World, with an offence of conspiracy to intercept communications in the course of their transmission, commonly known as 'phone hacking'.
In the course of an authorised operation it may be, for example, if an ASIO operative were to penetrate covertly a terrorist network or a terrorist cell and had to, as it were, play along with the planning, technically that ASIO operative might be liable but for an immunity for the offence of conspiracy," he said.
Earlier this month the five-strong gang, led by He Chen, were jailed for a total of 42 years after admitting a variety of offences including conspiracy to falsely imprison, commit blackmail and grievous bodily harm.
