Sinn Fein opposition to extradition of John Downey - hypocritical, or legitimate concern about the state's handling of legacy cases?

Sinn Fein stand accused of hypocrisy over the party's opposition to the extradition of John Downey. Michelle O'Neill has called it "an attempt to overturn due process". Sinn Fein National Chairperson Declan Kearney tweeted the hashtag "#ReleaseHimNow". But is this hypocritical, or legitimate concern about the state's handling of legacy cases? Stephen spoke to News Letter's deputy editor Ben Lowry and the Irish News security correspondent Allison Morris.