Two of Northern Ireland's leading journalists, Darragh MacIntyre and Allison Morris, explore whether a new investigation is any closer to bringing justice for Michaela McAreavey.Two former workers – Avinash Treebhoowoon and Sandip Moneea – were found not guilty of Michaela's murder after a high-profile trial in 2012. Her family believe the verdict was a miscarriage of justice.Michaela's case led to a landmark change in Mauritian law meaning defendants can be retried for the same crime if there is fresh and compelling evidence. This gave Michaela's family hope and has led to a long campaign for justice.A decade after Michaela's murder, Mauritian authorities launched a fresh investigation. Four months later, shocking headlines emerged – the only eye-witness was found dead.Darragh and Allison revisit the eye-witness's evidence and investigate whether there was anything suspicious about the circumstances of his death.They set out to find another witness who could have crucial evidence but who wasn't called to the trial – the bellboy who accompanied John back to the room when he discovered Michaela.Nearly a year after the investigation was re-opened, there was an apparent breakthrough. Two hotel workers were re-arrested. Darragh and Allison explore whether the authorities are any closer to bringing justice for Michaela.