‘We’ve done a DNA test and he’s not related to you or Dave.’ The colour drains from her face. She looks to Finn again and his stony expression tells her that he knows everything. Finally, Finn speaks. ‘Who am I?’ Now Debbie is lost for words. ‘It . . . it . . . it just happened. All of it . . . everything. It just happened.’ ‘It never “just happens”,’ he says. ‘Everything in those diaries is planned and listed, the address and date of every town where a child disappeared. It was all premeditated. You were too careful to allow something to “just happen”. You did your research. So who am I?’

