Horton wasn't going to give him the full story, but he saw he would have to impart some of it, and a version of the truth, to gain his co-operation.
'We believe that something happened then that has had repercussions recently.'
'You mean resulting in Owen Carlsson's death?'
'And others.'
'Arina's? No, I can't believe that.' But Nelson was looking worried.
'What happened in Tripoli?' Horton pressed. He could see Nelson weighing up how much to tell him. He held his breath waiting for it, but Nelson rose and crossed to the sherry decanter on a small table behind the door.
'Drink, Inspector?'
Horton declined, wondering if Nelson was preparing himself for the ordeal of revealing something from his and Sutton's past, or perhaps it was a diversionary tactic designed to give himself time to concoct a lie. Nelson poured himself a small sherry and returned to his seat before speaking.
'Christopher and I were in National Service from 1956 to 1959 and stationed at the hospital in Tripoli for most of that time, or rather I was. Christopher left the hospital in 1958.'
Horton already knew this. 'Where did he go?'
'I don't know. Oh, you can look sceptical, Inspector, but I genuinely don't know where he went from the time he left Tripoli to when I bumped into him again in 1960 at Guy's Hospital.'
'Didn't you ask him?' Horton said, irritated, and not bothering to hide his exasperation.
'No. It didn't seem relevant. Besides I sensed that Christopher didn't want to talk about it. He was never one for looking back anyway, and we were both keen to get on with our lives and our careers. After I completed my time as a registrar I decided to go into general practice and Christopher, as you know, rose to the dizzy heights of consultant surgeon and finally as an adviser to the government on mental health law. Ah, I see you didn't know that.'
Nothing got past this man. Nelson would have made a good copper. Perhaps he should put him on to interviewing Roy Danesbrook who, Cantelli had said, had protested vehemently at being dragged in for the third time. Well, tough. But Horton wondered if Danesbrook had known about this government advisory position of Sutton's. He wouldn't mind betting that Bella had told him. It would have given Danesbrook further ammunition to use when selling the idea of his charitable project to Sutton.
Nelson said, 'After Christopher retired in 1992, he was attached to the Neurological Unit of the Behavioural and Clinical Neuroscience Research Institute. From there he was appointed to the expert committee to advise ministers on mental health law.'
With bitterness Horton said, 'The committee that let out all the psychopaths and paedophiles for us to locate and bang up again after they had destroyed more lives.' There had been a furore over it a few years ago and rightly so. Suddenly, heavy with fatigue, Horton wondered if Nelson had given him yet another reason why Arina had been killed. Maybe this case had nothing to do with Sutton's National Service or Helen and Lars Carlsson. They could be looking at a whole new spectrum of suspects — an avenging father, brother or uncle. Someone who had killed Arina because her father had been on a committee that had recommended the killer's release. But no, he was complicating things, or at least he bloody hoped he was.
Sharply he said, 'So what happened in Tripoli?'
Nelson's lips twitched in a kind of smile and Horton saw at once that Nelson had been trying to sidetrack him with that mental health committee stuff.
'Before I answer that, tell me one thing.'
Horton nodded though he had no intention of bargaining or keeping his promise. He was getting rather fed up with Nelson.
'What did Christopher's will say?'
Horton narrowed his eyes. 'Why do you want to know that?'
'I'll tell you if you answer my question.' Nelson tossed back the remainder of his sherry, keeping his eyes on Horton all the while.
Horton didn't see any need for secrecy. The will would probably be public knowledge soon anyway. But why was Nelson interested in Sir Christopher's will and not Arina's?
'He left most of his estate to Arina with generous bequests to charities and hospitals.'
'Not to any particular individual?'
'No.' Not unless you count Roy Danesbrook, Horton thought, growing more curious.
Nelson nodded slowly. Carefully he set his glass down on the small table beside him. Here it comes, thought Horton, with a flutter of anticipation. He only hoped it had been worth waiting for.
'I shall of course deny what I am about to tell you, Inspector, if asked to repeat it.'
Not another one acting like bloody Smiley in a John Le Carre novel, thought Horton exasperated, but he nodded. He would have agreed to sell the Elgin Marbles to the biggest crook this side of the English Channel if it meant he'd get some fresh information to help solve this case.
Nelson said, 'In September 1958, Sir Christopher Sutton was found in bed with a nurse.'
Jesus! Was that it? Horton could hardly contain his frustration but then he told himself that 1958 standards of propriety were a million miles away from where they were now. Even his own illegitimacy had been something to be ashamed of when he was a child, and that wasn't so long ago. He knew that his mother had probably been disowned by her family when they had discovered she was pregnant because he had never seen, heard or spoken to any of them.
Nelson said, 'That sort of behaviour was not expected of nurses.'
'And what about doctors?' said Horton scornfully.
'Ah, those were the days.' Nelson smiled. 'We were unchallenged. Gods. We could do as we liked.'
'So the nurse got the sack, or dishonourable discharge, and Sutton got posted away,' Horton declared, seeing the picture.
'Spot on.'
Bit hard on the poor bloody nurse. This then was the gap in Sutton's career which Trueman had discovered. 'Where did Sutton go?'
'I don't know.'
'Oh, come on, you must have swapped tales when you met up again.'
'We didn't. As I said, Christopher was not one to reminisce.'
'And it never came up in all the years you knew him?'
'No. I don't know where he went after Tripoli or what he did.'
Horton didn't believe him. Nelson was closing ranks even now after Sutton's death just as they would all be doing. He could take Nelson in for further questioning but he had no real cause to and he doubted Nelson would say more. In fact he'd say less, as he'd already intimated.
'Three people dead,' Horton declared coldly, 'five if we include Helen and Lars Carlsson. Don't you think the time for secrecy is past?'
'I can't see how their deaths can have anything to do with where Christopher was during his time on National Service.'
'Then let me explain.' And Horton did. He told Nelson that Sutton could have been working for the government during that missing year on something secret and in 1990 was seen talking to someone whom Helen Carlsson, because of her job photographing many of the trouble spots around the world, recognized and photographed. So she and her husband were killed. Then the dying Sir Christopher confided something to Arina, setting up a chain reaction of more murders.
Nelson's expression remained studiously neutral. So much so that Horton felt like shaking him. Anyone else and he might have shoved the photographs of the deceased under his nose. But a doctor wasn't going to be fazed by pictures of dead bodies or of a post-mortem. He wondered if Gaye Clayton might be able to find out more about Sutton's missing year. Perhaps her father, the eminent Home Office pathologist Dr Ryedon, might help.
'I think your imagination is running away with you, Inspector. There must be a far more logical explanation for these deaths. The Carlssons were killed in a road accident, Christopher died of natural causes and Arina in a tragic accident.'
'And Owen Carlsson and Jonathan Anmore? Not to mention that Thea Carlsson, who is missing, is probably dead by now,' Horton snapped, though he was getting the feeling that Nelson might be right. What had sounded so
