I have a theory that it's the young policeman based purely on the fact that i thought I say a blankety thing in the press officer's flat the same colour as the fibres under leanne's nails.
David O is just breathtakingly good I think.
And the parents - my heart broke for the father last night when he went in to see her body - that was such a moving scene.
Could there be some child-abuse stuff between Penelope Wilton's character and her father, could Kyle and the grandfather be part of some sort of ring, using the caravan?