"My baby You stole my baby " Lara Smith is hysterical, her red lipstick smeared. A teddy lies abandoned in the empty crib. But I wasn't hired to look after a baby. I didn't even know this nursery existed... Lara's husband calls the police and screams: "The nanny has taken our little girl." I'm frozen in shock. This is impossible. I was only meant to be looking after...