Alibi: Claims to have been at home with her dad at the time of Lucy's death Possible motive: Jealousy Having already stalked and attempted to drown her sister, Abi has since destroyed evidence at ...

Alibi: Was planning to rob an off license with Jay Possible motive: No known motive While there is no known motive for Ben to have killed Lucy, he had only just come out of prison for murdering ...