Fujitsu engineer Gareth Jenkins rephrased parts of a report on the Horizon IT system after advice from barrister Warwick Tatford. The evidence was used in the 2010 case against postmistress Seema ...

The prosecuting barrister in the case, Warwick Tatford, told the Post Office Horizon IT Inquiry that the advice sent by Mr Singh before the prosecution of Seema Misra was “disastrous”.

A draft report that may have undermined the prosecution case was changed, documents seen by the BBC show.