38 The incident room seemed to be buzzing when Culverhouse got back. There was a frisson in the air, which was noticeable from the moment he walked in through the door. ‘Guv, you’re never going to guess what,’ Debbie Weston said, holding up a sheet of A4 paper. ‘We’ve been looking into Callum Woods a bit further. Phone records, property details, things like that. We went back a fair way, and we—’ ‘Sorry, what?’ Culverhouse said, interrupting her, his face like thunder. ‘Where did you get clearance for that?’ ‘From the Chief Constable,’ Debbie replied. ‘You went straight to him?’ ‘Well, no, I didn’t,’ she replied, not saying any more. ‘So who did?’ Culverhouse’s voice was calm and quiet, which made it even more unnerving than if he’d been shouting at the top of his lungs. Wendy took

