The letters were in the court record so I was able to see them. The handwriting had been disguised. And there were deliberate spelling and grammatical mistakes. But I took dictation from Kloster for almost a year and he couldn’t fool me. It was his style-precise, calculating, full of humiliating details. Intended line by line to drive the man crazy. The scenes…the physical scenes were probably made up, but the letters gave very precise descriptions of the bar where they met, the clothes she wore each time, how the two of them made fun of him. Those letters were the real murder weapon. And whoever wrote them was the true murderer.”

“Did you tell the police any of this at the time?”

“I asked to speak to the officer in charge of the case, Superintendent Ramoneda. At first he was very pleasant and seemed willing to listen. I told him everything: about my suing Kloster, Ramiro’s death, my parents’ poisoning, the clues that it was Kloster who wrote the anonymous letters. He listened without saying a word, but I realised he didn’t like the direction things might go in if he decided to take me seriously. After all, for them it was an open-and-shut case. I think he was afraid he might be accused, in the midst of all the scandal, of wanting to absolve the prison service. He asked if I understood the gravity of my accusation and the absolute absence of proof in all that I’d told him. He took down Kloster’s details anyway and said he’d send one of his men to speak to him. A couple of days later I got a call summoning me back to his office. I could tell immediately that something had changed. His tone was both fatherly and slightly threatening. He said that because it was such a delicate matter and there was so much at stake he’d decided to go and see Kloster himself-he had to follow every lead, however absurd. Kloster, he said, had been very courteous-he was about to leave for a reception at the French embassy but had made time. He didn’t tell me about the interview itself but it was obvious that Kloster had impressed him. I’ve no doubt they ended up talking about his novels. Before I could say anything he produced a sheet of paper in my handwriting and laid it on the desk. I recognised it at once: it was the letter I sent Kloster after my parents died. A letter in which I asked his forgiveness for having sued him.”