'No, Andrea,' Bolt told her, 'you made two mistakes. You trusted them, and you didn't come to us first.'

'I thought I was doing the right thing.' She sighed, stubbing out her third cigarette in the coffee cup in front of her. 'I guess I was wrong.'

Mo looked up from his notes and spoke for the first time. 'Do you have a picture of Emma we can copy, Andrea?'

She nodded and produced a small colour photo from her purse, handing it to him. 'This was taken last year. I'd like it back, please. It's very precious to me.'

'I'm sure it is,' he answered, his tone sympathetic. He gave it only the briefest of glances, not wanting to make the moment any more painful than it had to be, before slipping it inside a small clear wallet.

'Do either of you two gentlemen have children?'

'I'm afraid I don't,' answered Bolt.

'I have,' said Mo. 'Four of them.'

Andrea looked at him with new interest, as if he was a kindred spirit in a way that Bolt could never be. 'You're very lucky,' she told him. 'I hope what happens to me never happens to you. You can't imagine what it's like.' And in that moment, her features, tight with tension and pain, almost cracked. Almost, but not quite.

'I promise you we'll all do everything in our power to help you and bring your daughter back,' Mo told her. 'But you're going to need to help us as much as you can. Now, there are some points that need clarifying, and some questions that need answering. Can I speak frankly?'

She nodded. 'Of course.'

'Your husband's missing, and he has been since Tuesday, the same day that Emma was kidnapped. Do you think he could be involved?'

She paused for several seconds. 'I've thought about that a lot but I just can't see it. He's always got on well with Emma, and he's not the sort to do something like this to her.'

'Has he acted at all differently around you and your daughter in the last few weeks?' asked Bolt.

'Not that I've noticed.'

'So, where do you think he might be?'

She threw up her hands. 'I honestly don't know. Maybe they've taken him as well.'

Mo made a show of consulting his notes. 'According to what you've told us, you never asked the kidnapper who phoned you whether he was also holding your husband, or what might have happened to him?'

'It's about priorities, isn't it? I've only had a few very short conversations with the man holding my daughter, and in all of them that's who I've been focusing on: Emma.' She sighed. 'Look, the thing is, I don't know whether Pat was involved or not, but I'm pretty damn certain he wasn't. He's not that sort of bloke. Besides, why would he bother? He's got a pretty good life. He doesn't have to do a lot. He drives a nice car, gets decent holidays. Goes out when he wants. If he asks me for money, I give it to him. I probably shouldn't do, because I'm hardly motivating him to get off his arse and get a proper job, but I do. So, why would he put all that at risk? For a share in half a million quid? I don't think so.'

It was, thought Bolt, a good point.

'Kidnapping a child for this kind of ransom is highly unusual,' he said, 'and it's clear that you weren't chosen at random. Is there anyone you can think of, in either your personal or your business life, who might have a motive for putting you through this?'

Andrea was silent again, then shook her head firmly. 'I can't think of anyone, no.'

But there was just the briefest flickering of hesitation in her eyes when she spoke, and Bolt, who was trained in such things, noticed it.

He looked at Mo. 'I think that's everything for the moment, isn't it?'

Mo nodded. 'I haven't got anything else.'

'So what happens now?' Andrea asked, her voice shaking.

'The kidnapper gave you forty-eight hours,' said Bolt, leaning forward in his seat. 'There's still nearly forty left until he makes contact again. During that time we're going to be gathering what clues we can as discreetly as possible in an attempt to ID him.'

'If they find out about you, though… I mean, these guys know what they're doing.'

Bolt fixed her with a calm stare. 'So do we, Andrea, so do we. In the meantime, you'll be supplied with a team of trained liaison officers. They'll look after your day-to-day needs and provide support until the situation's resolved. We'll also house you in secure and comfortable accommodation. Any calls to your home landline will be automatically re-directed to you there, so when the kidnapper makes contact you'll still be able to speak to him and we'll be able to monitor the conversation.'

'No. I want to go home.'

'That's not going to be possible,' said Mo. 'The logistics would be too difficult.'

'I don't care. I want to go home.' Her voice was panicky now. 'These people have been watching the house. They must have been to know that Jimmy was there. If they're watching it now and they see that I'm not at home, they'll suspect that I've gone to you. I can't risk it. They said they'd kill Emma if I went to the police, and I believe them.'

'It's very unlikely that your kidnapper or any of his accomplices are watching your house,' Bolt explained, knowing that Mo was right: letting her back home would be a real problem. 'They won't want to risk drawing attention to themselves, and there won't be many people involved in this either. Two, possibly three at most, so they won't be able to spare the manpower to keep watch on all your movements.'

'That's what Jimmy said,' Andrea countered, 'and look what happened to him. I'm sorry, but I want to go home. That's all there is to it.'

Bolt sighed, knowing from the decisive expression on her face that she wasn't going to budge on this. 'All right, we'll see what we can do.' He stood up, and Mo followed suit. 'Someone'll be along shortly to take you to a more comfortable room. But don't worry, I'll be giving you regular updates.'

He turned to go.

'Mike?'

Bolt flinched at her sudden familiarity, and Mo looked at him. He turned back, avoiding his colleague's gaze. Andrea's hazel eyes were full of anguish.

'Promise me you'll get her back. Please.'

Bolt felt his mouth go dry. This was hard, far harder than he was used to. He wanted to promise her but knew that there was absolutely no way he could. It would be a dereliction of duty. Emma's kidnappers had already killed once; it was entirely possible they could kill again. If he said one thing, and then another happened… well, it wouldn't look good.

'I can't provide a cast-iron guarantee on anything. I'm sorry.'

She turned to Mo. 'You've got children. You must have some idea of the pain I'm feeling.'

'I do,' he said softly. 'I really do.'

'Please…'

'We'll do absolutely everything in our power to get Emma back,' Bolt told her firmly. 'Absolutely everything.'

She gave a slight nod and reached for her cigarettes with shaking hands, ignoring a single tear that ran down her cheek.

For the moment, there was nothing more to say.