Following the BBC Wales programme last month which featured ex-sub-postmasters penalised by the Post Office over missing money which the retailers all blamed on glitches in their Horizon computer system I understand that the reins are being picked up by BBC One's Watchdog. That could really put the cat among the pigeons.

I urge anyone out there who thinks they have a problem with their Horizon system to contact the programme, particularly if you are an existing sub-postmaster as they want live footage. Incidentally, you don't have to have had huge losses.

Meanwhile, Lee Castleton, bankrupted by the Post Office and still trying to clear his name, got great feedback from readers of this column. Keep it coming. His email address is: lcastleton.castleton@googlemail.com

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