Mahmood Mattan's family received a six-figure compensation pay-out after his conviction for murder was quashed - but it didn't bring them the peace of mind they craved. The "blood money" brought with it its own problems, as his sons increasingly struggled to cope. And that was compounded by a police re-investigation which failed to identify any "new lines of enquiry". Lily's killer would never be found.

Presenter and Producer: Danielle Fahiya Sound Design: Cathy Robinson Original Music: Rhodri Llewellyn John Executive Producers: Karen Voisey and Andy Maguire Story Consultant: John Norton Production Manager: Andrea Deere

History Consultant: Chris Phillips. Archive: BBC Black Britain; ITV Wales

Dean Rehman - Eddie & David Mattan Ian Dunnett Jnr - Newspaper reporter and procurator fiscal