‘Maybe. Why?’

‘There’s seven of them, but only six barrels.’

Sellers and Gibbs stared at one another.

‘What did I trip over? What fucked up my leg?’

‘Looked like the lid of my cocktail shaker at home, but bigger.’

‘A lid?’

Gibbs hobbled after Sellers as he ran towards it. Sellers pointed to the far wall. ‘Look at those monsters. The only opening’s at the top. They’d need a way of lowering them, wouldn’t they, to insert whatever needs to go inside-the plastic tube, or whatever? The hole this thing’s in must have some kind of platform underneath it, so they can raise and lower the vats. Give us a hand, I can’t get this to budge.’ He was trying to loosen the round metal cap that had felled Gibbs.

Together the two detectives tried to twist it. Nothing. ‘Try the other way,’ said Gibbs. ‘Look, it’s…’

They pushed in the opposite direction and the lid came loose. It was heavy; it took both of them to lift it. Both hoped they would find the seventh silver cylinder empty.

They saw dark hair, and blood, and heard breathing. Breathing. Bretherick was alive.

‘Mark? Mark, it’s DC Colin Sellers. You’re going to be okay. You’re going to be fine. We’ll have you out of here in no time. Mark, can you speak? Can you look up?’

The hair moved. Sellers saw a patch of forehead, streaked with blood. Gibbs had gone outside to phone for help.

‘That’s good. Talk to me, Mark. Stay awake and talk to me. Say anything.’

Bretherick’s voice was a scratchy whisper. ‘Leave me,’ he said, and then something that sounded like ‘peace’. Sellers heard a choking sound, and saw the head beneath him drop down.

22

8/12/07

‘You helped us.’ Simon faced Jonathan Hey across the table. ‘Everything you told me-that Geraldine didn’t kill herself and Lucy, that the same person who killed Geraldine and Lucy killed Encarna and Amy-why did you tell me all that?’

‘I hate it when things are wrong,’ said Hey. ‘I can’t stand for anything… not to be right. I wanted to be helpful.’ He wouldn’t meet Simon’s eyes, or Charlie’s. Yesterday he had been hysterical. Today his face was blank.

‘You mean you wanted us to find out the truth?’

‘No. Not that.’ A pause. ‘I was the person who knew everything you wanted and needed to know. You needed me. So I told you a small part of what I knew. And then I panicked, that I’d told you too much and you’d realise. So I tried to mislead you… and made things worse, all wrong again.’ Hey shook his head. ‘I liked you, Simon. If it counts for anything, I still do.’

‘You don’t know me.’ Nobody does-nobody ever has-so what makes you so special? ‘When we found Encarna and Amy, you must have known it was only a matter of time. But you still lied, as if you believed you might get away with it-Harry Martineau, Angel Oliva. And when I told you we needed you here at the nick-’

‘You laid a trap for me,’ said Hey. ‘You could have arrested me without the pantomime if you’d wanted. It didn’t occur to me that you’d be so indirect about it.’ His mouth wobbled. ‘You think I’ve let you down. I’m sorry. I truly wanted to help, Simon. I never wanted to be your bad guy.’

Charlie cleared her throat. It broke the tension in the air.

Simon felt freer to speak. ‘You can still help,’ he told Hey. ‘Why did you kill them-Encarna and Amy, Geraldine and Lucy?’

Silence. As if the question had not been asked.

‘All right, how about starting with some smaller points,’ Simon suggested. ‘Did you follow Sally Thorning to Seddon Hall last year?’

Hey nodded. ‘After what happened… to my wife and daughter, I was in a state. I couldn’t do anything, couldn’t work, couldn’t think. I ended up at the train station.’

‘After killing Encarna and Amy and burying their bodies in the garden at Corn Mill House, you were in a state,’ said Simon. ‘So you went to the train station. Were you planning to leave the country? Leave your job in Cambridge and start from scratch?’

‘I only got my chair at Cambridge in January of this year. Before that I taught at Rawndesley.’

‘At the university?’

‘I suppose so. Now that I’ve experienced Cambridge, I think it’s stretching it a bit to call Rawndesley a university, but… yes, that’s where I taught.’ He paused, seeming to think through what he was about to say. ‘I don’t know why I went to the station. I had no plan. I saw Sally there…’ He flinched. ‘I’ve messed things up with Sally.’

‘You noticed Sally immediately, because she looked like Geraldine,’ said Simon. ‘And you liked Geraldine.’

‘We liked each other. Nothing happened between us. Nothing ever would have, even after… even when I was on my own and lonely and maybe a bit… careless about breaking up other people’s families.’

An understatement if ever Simon had heard one.

Hey seemed unaware of what he’d said. He also seemed content to talk, as long as nobody brought up the four murders he’d committed. ‘Geraldine would never have left Mark or had an affair. I once said to her, “Mark would never need to know.” She said, “I’d know.” She’d have hated herself.’

Charlie leaned forward in her chair. ‘But you knew she had feelings for you. If circumstances had been different…’

‘Yes,’ said Hey without hesitation. ‘If circumstances had been different, Geraldine would have married me.’

Simon was unconvinced. Hey might have mistaken a diplomatic knock-back for a fated but forbidden love.

‘So Sally Thorning was just a fling at first,’ said Charlie. ‘She looked like Geraldine, but she wasn’t the real thing. You still hoped Geraldine would see sense and leave Mark for you.’

‘Don’t belittle Sally.’ Hey sounded injured. ‘She saved my sanity. I thought… seeing her at the station like that, it was as if someone or something was trying to tell me everything would be okay. Sally was wearing a T-shirt from Silsford Castle’s owl sanctuary. I’d been there with Geraldine, on the school trip…’ A sharp look came into his eyes. ‘Sally was the one. Not Geraldine. I realised too late. Geraldine was too perfect, too good. I had to hide so many things from her. All the time I wasted pursuing her when it should have been Sally. Sally’s like me. I could be my real self with her.’

Simon was itching to bring up the four murders again. He restrained himself. This way was better; at least Hey was talking.

‘You followed Sally to Seddon Hall,’ said Charlie. ‘Booked a room, introduced yourself-’

‘And spent the week with her. Yes. You know all this.’

‘Spent the week having sex with her?’

‘Among other things, yes.’

Simon and Charlie exchanged a look. Sally Thorning had told them repeatedly that she and Hey had talked in the hotel bar a few times, nothing more. If anyone asked Simon, he’d tell them he believed her. She was sane, Hey wasn’t. It was her word against his.

‘Sally was easy to get into bed,’ said Hey. ‘Geraldine… I had no chance with her. That’s what distracted me, made me believe Geraldine was the one I ought to fight for, when all the time Sally was there, available. But I’d had her already, you see. And, like an ignorant Neanderthal, I undervalued her because of it. Until Geraldine was gone.’

‘Jonathan, I want to ask you about the photographs,’ said Simon. ‘At Corn Mill House there were framed photographs of Lucy and Geraldine taken at the owl sanctuary. Inside the frames were photos of Encarna and Amy taken in the same spot. Can you tell us anything about that?’

Hey looked curious. Mildly. ‘You found them at Corn Mill House? They weren’t there when…’

When you drugged Geraldine and Lucy and killed them. ‘No, they were at Mark Bretherick’s office when Geraldine and Lucy were murdered.’

Hey closed his eyes. ‘I looked all over the house for those pictures.’