
The Post Office âhas turned itself into the nationâs most untrustworthy brandâ as a result of its attempts to âprotectâ its defective Horizon IT system from concerns about its reliability, the Court of Appeal has heard.
Dozens of former subpostmasters who say they were wrongly convicted of theft, fraud and false accounting as a result of the Horizon accounting scandal, many of whom were jailed, are battling to finally clear their names this week.
The Criminal Cases Review Commission (CCRC) referred the cases of 42 former subpostmasters to the Court of Appeal last year, following a landmark civil case against the Post Office.
A High Court judge found the Fujitsu-developed Horizon accounting system contained âbugs, errors and defectsâ and that there was a âmaterial riskâ shortfalls in branch accounts were caused by the system.

Tim Moloney QC, opening the appellantsâ case, said that âthe lives of subpostmasters were irreparably ruined and some took their own livesâ, but the Post Office still did not commission âan independent investigation of the reliability of Horizonâ.
He said the Post Officeâs failure to do so was âshameful and culpableâ, adding: âThose failures are rendered all the more egregious ⦠by the inability of the defendants to make their own investigations of the reasons for the apparent discrepancies.â
Mr Moloney continued that the appellants were âreliant for disclosure on a business that was the complainant as well as the prosecutor and which demonstrated an enduring institutional resistance to disclosureâ of anything which âundermined the reliability of Horizonâ.
He also said that âthere were conditions imposed on plea dealsâ, requiring defendants to make âno criticismâ of the Horizon system.
Mr Moloney told the court that there was âan institutional imperative of acquitting Horizon and convicted subpostmasters ⦠in order to protect Horizon and to protect their own commercial reputationâ.
He said many of the appellants had âpleaded guilty in the face of the difficulties that they faced in defending themselves, being deprived of any meaningful way of defending themselvesâ.
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Mr Moloney added: âAll had the shame and humiliation of arrest and prosecution.
âAll experienced the enormous psychological toll associated with that process.â
He added that many âreceived a custodial sentence â many immediately went to prisonâ.
Some saw their marriages break up, others suffered bankruptcy and some are dead, having gone to their graves with their previous convictions still extant
Tim Moloney QC
Mr Moloney continued: âSome saw their marriages break up, others suffered bankruptcy and some are dead, having gone to their graves with their previous convictions still extant.â
The court heard that there were âconcernsâ about the Horizon system âfrom the very outsetâ, and that âthe very highest levels of management and governance in the Post Office were on notice of the real potential for Horizon to malfunction and misfireâ.
But, Mr Moloney added, the Post Office âchose to disbelieve the subpostmasters ⦠it chose to ignore the distress that was being suffered by those subpostmastersâ.
Mr Moloney said: âEssentially, the Post Office, in the face of all the evidence, was prepared to accept that subpostmasters with previous good character, who had hitherto run decent, responsible, profitable businesses, became criminals overnight. Alarm bells should have rung.â
Sam Stein QC, who also represents some of the appellants, told the court: âThe Post Office has turned itself into the nationâs most untrustworthy brand ⦠through its own behaviour and its own fault over many years.â
He added that there was âa wealth of evidenceâ which showed the Post Office had âa general hostility towards subpostmasters, the people who are â for the rest of us â at the heart of the communityâ.
The Post Office has conceded 39 of the 42 appellantsâ appeals should be allowed, on the basis that âthey did not or could not have a fair trialâ.
But it is contesting 35 of those 39 cases on a second ground of appeal, which is that the reliability of Horizon data was âessential to (their) prosecution and convictionâ and their convictions were therefore âan affront to the public conscienceâ.
Four of the 42 appeals are not being opposed on either ground, while three are fully opposed by the Post Office, which has previously said it will not seek retrials of any of the appellants if their convictions are overturned.
In a statement, a Post Office spokeswoman said: âPost Office is not opposing the majority of these appeals and informed the court and appellants of this at the earliest opportunity, in October 2020.
âWe sincerely apologise for historical failings and have taken determined action to address the past, ensure redress for those affected and prevent such events ever happening again.
âIt would be inappropriate to comment further whilst there are continuing hearings at the Court of Appeal.â
The Post Office settled the civil claim brought by more than 550 claimants for £57.75 million, without admitting liability, in December 2019.
Mr Justice Fraser, who formally approved the settlement, also referred the case to the director of public prosecutions over âvery grave concerns regarding veracity of evidence given by Fujitsu employees to other courts in previous proceedingsâ.
The hearing before Lord Justice Holroyde, Mr Justice Picken and Mrs Justice Farbey is expected to conclude on Thursday or Friday, and it is expected that they will give their ruling at a later date.