Investigating a photograph of a boy whose murder was never solved, aspiring Murder Squad member Stephen Moran partners with detective Antoinette Conway to search for answers in the cliques and rivalries at a Dublin boarding school. "The photo on the card shows a boy who was found murdered, a year ago, on the grounds of a girls' boarding school in the leafy suburbs of Dublin. The caption says I KNOW WHO KILLED HIM. Detective Stephen Moran has been...