Her chest tightens, her heart speeding up. The kitchen is chaos. She steps on something hard, and looks down. Toy dinosaurs are scattered everywhere. But her son is nowhere – her baby boy is gone.

The police arrive. She can’t look at her husband. Instead, she studies the network of lines on her shaking hands.

Then her phone beeps with a voice message. ‘Listen to it on speaker,’ says the detective.

A woman’s voice fills the air.

‘I’m assuming this is the Andrea Gately listed as a contact on the Missing Children of the World website. I’m calling to let you know that I’ve given your details to the police. Why are you using a picture of my son on a missing children’s website? Why are you using it and where did you get it?’