An Indigenous man in Manitoba who spent more than two decades in prison has had his three murder convictions quashed and the charges stayed. Former justice minister David Lametti referred the case of Robert Sanderson to the Manitoba Court of Appeal in 2023 for a new hearing, saying there was a likely a miscarriage of justice. Innocence Canada, the group that applied for the ministerial review of the convictions based on new evidence, said the Appeal Court ordered a new trial Friday and the Crown stayed proceedings Monday in Court of King’s Bench. James Lockyer, a founding director of Innocence Canada, said it has been a “long haul” for Sanderson and the organization. “We’ve known about his case for certainly more than a decade,” Lockyer said in an interview. “Just…