Who Killed Oswald Grey Episode 5

Episode Five of Who Killed Oswald Grey?

Dead, buried and mistreated – but not forgotten.

What happened to the mortal remains of Oswald Grey, buried in the grounds of Winson Green prison? Why has his family not been informed that they are entitled to request his release under law? And how did what happened affect his family and those around him – and was there any joy, just perhaps a little, in their lives afterwards? (Spoiler – there was – just a little).