By Matt Roper & John Stevens The Horison IT system provided by Fujitsu was the real culprit behind the Post Office scandal. But today we reveal that the firm still gets government contracts worth £100m a year. MPs say it should not be handed any more Government contracts. Fujitsu is still being allowed to bid for the lucrative work after its faulty software led to hundreds of innocent sub-postmasters and mistresses being wrongly prosecuted. Since 2012 – more than a decade after the scandal began – the public sector has awarded Fujitsu almost 200 contracts worth £6.8billion in total, analyst Tu…