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 FahiyaSound Design: Cathy RobinsonOriginal Music: Rhodri Llewellyn JohnExecutive Producers: Karen Voisey and Andy MaguireStory Consultant: John NortonProduction Manager: Andrea Deere

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

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