Landry’s early photographs showed a sixteen-year-old with the face of Nefertiti, who managed to project to the lens an extraordinary combination of worldliness and vulnerability, with long thin legs like a giraffe’s and a jagged scar running down the inside of her left arm that fashion editors seemed to have found an interesting adjunct to her spectacular face, for it was sometimes given prominence in photographs. Lula’s extreme beauty was on the very edge of absurdity, and the charm for which she was celebrated (in both newspaper obituaries and hysterical blogs) sat alongside a reputation for sudden outbursts of temper and a dangerously short fuse. Press and public seemed to have both loved her, and loved loathing her. One female journalist found her ‘strangely sweet, possessed of an unexpected naiveté’; another, ‘at bottom, a calculating little diva, shrewd and tough’.

At nine o’clock Strike walked to Chinatown and bought himself a meal; then he returned to the office, swapped Tom Waits for Elbow, and searched out online accounts of Evan Duffield, the man who, by common consent, even that of Bristow, had not killed his girlfriend.

Until Kieran Kolovas-Jones had displayed professional jealousy, Strike could not have said why Duffield was famous. He now discovered that Duffield had been elevated from obscurity by his participation in a critically acclaimed independent film, in which he had played a character indistinguishable from himself: a heroin-addicted musician stealing to support his habit.

Duffield’s band had released a well-reviewed album on the back of their lead singer’s new-found fame, and split up in considerable acrimony around the time that he had met Lula. Like his girlfriend, Duffield was extraordinarily photogenic, even in the unretouched long-lens photographs of him sloping along a street in filthy clothes, even in those shots (and there were several) where he was lunging in fury at photographers. The conjunction of these two damaged and beautiful people seemed to have supercharged the fascination with both; each reflecting more interest on to the other, which rebounded on themselves; it was a kind of perpetual motion.

The death of his girlfriend had fixed Duffield more securely than ever in that firmament of the idolised, the vilified, the deified. A certain darkness, a fatalism, hung around him; both his most fervent admirers and his detractors seemed to take pleasure in the idea that he had one booted foot in the afterworld already; that there was an inevitability about his descent into despair and oblivion. He seemed to make a veritable parade of his frailties, and Strike lingered for some minutes over another of those tiny, jerky YouTube videos, in which Duffield, patently stoned, talked on and on, in the voice Kolovas-Jones had so accurately parodied, about dying being no more than checking out of the party, and making a confused case for there being little need to cry if you had to leave early.