Episode 5: A breakthrough

The man they are calling Neil Dovestones remains in the mortuary in Oldham but the police continue to make progress. The clue inside his left leg proves to be even more helpful than anticipated.

With Jon Manel.

If you have any information which you believe could help the police inquiry, you can reach DS Coleman's team by email: dovestones@gmp.police.uk

You can contact Jon at jon.manel@bbc.co.uk