The shock arrest of a man and a woman by officers investigating the case of the Kerry Baby could bring to an end the mystery of who the parents of the child are.

But however Baby John came to wash up on a beach with multiple stab wounds remains a mystery. 

This week Crime World reposts an interview with journalist Ralph Regal when it was announced that DNA would solve the crime and which details the almost 40 year case and its twists and turns.

Crime World, with Nicola Tallant, is a weekly Iri…