A convicted killer serving life in prison for the murder of his ex-girlfriend in Suffolk, has taken his case to the highest court in the land.
Kevin Nunn was found guilty in 2006 of killing Dawn Walker whose body was discovered on a river bank near Bury St Edmunds.
He's been fighting his conviction and is now seeking permission to re-test forensic evidence from the original trial, a move opposed by Dawn's family.
Click below to watch Matthew Hudson's report.
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