and what is almost more unbelievable, and why his story is beginning to feel familiar, is that he isn't alone. 706 former post office managers were convicted for crimes they didn't commit. slowly, those convictions are being overturned. 72 so far, but thousands more post office staff lost huge sums of money, so it's the government who are stepping in and footing the bill for compensation. the accounting problems where down to were down to a faulty it system called horizon. and this public inquiry, that will run for over a year, is supposed to get to the bottom of when it became clear the computer software was at fault. who knew within the post office, and why they carried on prosecuting their own staff. the post office says it's sincerely sorry for the scandal and hopes the inquiry will ensure this never happens again. but harjinder, like so many other victims, wants today's inquiry to begin to hold people to account.