A box full of murders

 
When siblings Ava and Luke discover a mysterious notebook in their dad's attic they are instantly intrigued. And, as they read through letters, diary entries, newspaper cuttings and notarised secret recordings, they realise that a decades-old, still unsolved, murder case is unfolding right in front of them. Determined to discover what really happened, Ava and Luke turn detective to try and crack the case. But soon they realise that the killer might still be out there - and might be closer than they think - YOU know the facts. YOU have all the clues. Can YOU solve the mystery before they do?