image caption Horizon System Error Logs Show Computer Bugs Can Cause Losses
What effect has been on individuals?
Many former postmasters and postmasters described how the saga ruined their lives.
They had to deal with the long-term impact of a criminal conviction and imprisonment , some at a time when they were pregnant or had young children.
Marriages have collapsed and courts have heard that some families believe stress has led to health problems, addiction and death premature.
"The last nine yearsborn were hellish and a total nightmare. This conviction has been a cloud in my life, "said former Oxfordshire Deputy Postmaster Vipinchandra Patel, whose name was cleared late last year.
Seema Misra was pregnant with her second child when she was convicted of theft and sent to prison in 2010. She said she "suffered " for 15 years as a result of the saga .
PA Media caption of the image Seema Misra was pregnant when she was sent to prison in 2010
What was the turning point ?
In December 2019, at the end of a long series of civil cases, La Posteagreed to settle with 555 claimants.
He accepted that he had previously "bad things in [his] relations with a number of postmasters ", and agreed to pay £ 58million in damages.
The plaintiffs were awarded a share of £ 12million, after payment of legal fees.
A few days later, a judgment of the High Court said the Horizon system was not "remote robust " during the first 10 years of its use, and still had problems after that.
The judge said that the system contained "bugs, errors and defects ", and that there was a "significant risk " that deficits in branch accounts were caused by the system.
What happened to the criminal convictions?
Following the High Court ruling, further cases were referred to the Criminal Review Commission Criminal Cases (CCRC), an independent body that investigates alleged miscarriages of justice.
In a series of decisions, the convictions of a total of 59 former postmasters have been overturned, and several 'others are expected to go to court soon.
This included 39 postmaster convictions breaks in one judgment of the Court of Appeals in April.
The judges determined that these 39 convictions were also "an affront to public conscience ".
This means that postmasters can take civil action against the post officete for malicious prosecutions, seeking large sums in barrage ages.
Will they receive compensation?
Those whose convictions, based on Horizon's evidence, have been canceled will be pending compensation, which the post has promised as soon as possible.
He invites applications for provisional compensation up to £ 100,000 , which will be funded by the government.
Final settlements will come through negotiated settlements or through civil court claims.
What about other postmasters and postmasters involved?
La Poste implemented a separate historic shortfall program to reimburse those who lost or t, but this excludes those who were part of the High Court settlement.
More than 2,400 complaints were made to thegime. Ministers said it was more than expected by post and the government may have to step in to cover part of the costs.
Investigation put in place "to establish clear record of failures Horizon IT computer system, and assess whether lessons have been learned at Swiss Post "was given more powers to investigate and call witnesses to testify. This followed pressure on the government after the convictions began to be overturned.
The Justice For Subpostmasters Alliance The campaign group, which was instrumental in the battle for the High Court, had refused to participate, describing it as money laundering, and is now examining whether the broad powers of the investigation are sufficient for her to be involved.
Has anyone been held responsible?
Justhat now no one at the post office or Fujitsu has been held responsible, although the High Court judge said he would refer Fujitsu to the Director of Public Prosecutions for possible further action because he had "serious concerns". "on the evidence of the employees of the company.