Police get a breakthrough when something was found dumped near the Shakoor family home, eleven days after the fatal house fire.
The discovery means the fire is now officially a murder investigation.
As enquiries increase there's a problem, which could provide a reason why this case remains unsolved.
Written and produced by Gabby Colenso
Presenter: Sonia Watson
Sound Design: John Cameron-McIntosh
Story Consultants: Barney Rowntree and Ben Robinson
Online Producer: Rachael Smith
Series Editor: Shahid Hussain
Commissioning Editor: Alistair Miskin
A BBC Essex production for BBC Sounds.
