The Post Office continued to pursue two branch workers for thousands of pounds after a criminal trial was ruled out over problems with computer evidence, according to BBC Scotland.
Paula Vennells to give evidence at next stage of Horizon inquiry aol.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from aol.co.uk Daily Mail and Mail on Sunday newspapers.
Alan Bates will also be giving evidence to the inquiry when it resumes in April - as well as Lord Arbuthnot, who campaigned on behalf of subpostmasters during his time as an MP.