How a discarded scrap of paper found in a household bin helps convict a cold-blooded killer; and a distinctive mole holds the key to locating a dangerous and predatory attacker. Show more
Discover 11,128,835 listings and 280,059 playable programmes from the BBC
How a discarded scrap of paper found in a household bin helps convict a cold-blooded killer; and a distinctive mole holds the key to locating a dangerous and predatory attacker. Show more
BBC One
