The same as nothing happened here.

Long days with feet on the desk.

And that was where Truls was about to put them — as he did at least ten times a day — when he looked out onto Bots Park and the old linden tree in the middle of the avenue leading up to the prison.

It had been put up.

The red poster.

He felt his skin tingle, his pulse rise. And his mood.

In a flash he was up, his jacket was on and his coffee abandoned.

Gamlebyen Church was a brisk eight-minute walk from Police HQ. Truls Berntsen walked down Oslo gate to Minne Park, left over Dyvekes Bridge and he was in the heart of Oslo, where the town had originated. The church was unadorned to the point of appearing poor, without any of the trite ornaments on the new Romantic church by Police HQ. But Gamlebyen Church had a more exciting history. At least if half of what his grandmother had told him during his childhood in Manglerud was true. The Berntsen family had moved from a dilapidated city-centre block to the satellite town of Manglerud when it was constructed at the end of the 1950s. But, strangely enough, it was them — the genuine Oslo family with Berntsen workers spanning three generations — who felt like immigrants. For most people in the satellite towns were farmers or people who came to town from far away to create a new life. And when Truls’s father got drunk in the seventies and the eighties and sat in their flat shouting at everyone and everything, Truls fled to his best — and only — friend, Mikael. Or down to his grandmother in Gamlebyen. She had told him that Gamlebyen Church had been built on top of a monastery from the 1200s, in which the monks had locked themselves away from the Black Death to pray, though folk said it was to escape their Christian duty to tend the contagion carriers. When, after eight months without a sign of life, the Chancellor broke down the doors of the monastery, rats were feasting on the monks’ rotting bodies.

His grandmother’s favourite bedtime story was about when a lunatic asylum — known locally as ‘The Madhouse’ — was built on the same site, and some of the inmates complained that hooded men were walking the corridors at night. And that when one of the hoods was ripped off, a pale face was seen, with rat bites and empty eye sockets. But the story Truls liked best was the one about Askild Oregod, Askild Good Ears. He lived and died more than a hundred years ago, at the time Kristiania, as Oslo was known then, became a proper town, and a church had long existed on the site. It was said that his ghost walked the cemetery, adjacent streets, the harbour district and Kvadraturen. But never further because he had only one leg and needed to get back to his grave before light, his grandmother said. Askild Oregod had lost his leg under the wheel of a fire wagon when he was three, but Truls’s grandmother said the fact that they gave him a nickname based on his large ears instead was an example of Oslo East humour. They were hard times, and for a child with one leg the choice of occupation was fairly obvious. So Askild Oregod begged and became a familiar sight hobbling through the burgeoning town, always friendly and always ready for a chat. And in particular with those sitting in pubs during the day. Without a job. Yet sometimes they suddenly had money in their hands. Then the odd coin often came Askild’s way as well. But occasionally Askild needed a bit more, and then he would tell the police which of them had been extra generous of late. And who, well into the fourth glass, and — unsuspecting of the harmless beggar on the periphery — told others that they had been offered the chance to rob the goldsmith in Karl Johans gate, or a timber merchant in Drammen. Rumours began to spread that Askild’s ears were indeed good, and after a gang of robbers in Kampen were arrested, Askild disappeared. He was never seen again, but one winter’s morning, on the steps of Gamlebyen Church, a crutch and two severed ears appeared. Askild had been buried somewhere in the graveyard, but as no priest had pronounced his blessing, his spirit still walked abroad. And after the onset of night, in Kvadraturen or around the church, you could bump into a man, hobbling with his cap pulled well over his head, begging for two ore. And then it was bad luck not to give the beggar a coin.

That was what his grandmother had told him. Nevertheless, Truls Berntsen ignored the lean beggar with the foreign coat and tanned skin sitting by the cemetery gate, strode down the gravel between the gravestones as he counted, turned left when he got to seven, to the right when he got to three and stopped by the fourth gravestone.

The name carved into the gravestone meant nothing to him. A. C. Rud. He had died as Norway gained its independence in 1905, only twenty-nine years old, but apart from the name and the dates there was no text, no imperative to rest in peace, nor any other winged words. Perhaps because the coarse gravestone was so small. But the blank, rough surface of the stone meant it was perfect for chalking messages, which must have been why they chose it.

LTZHUSCRDTO RNBU

Truls deciphered the text, using the simple code they had developed so that casual passers-by wouldn’t understand. He began at the end, and read the letters in pairs, moving backwards along the line until he reached the final three letters.

BURN TORD SCHULTZ

Truls Berntsen didn’t write it down. Didn’t need to. He had a good memory for names that brought him closer to the leather seats in an Audi Q5 2.0 6-speed manual. He used his jacket sleeve to erase the letters.

The beggar looked up as Truls passed on his way out. Brown doggy eyes. There was probably a band of beggars and a big, fat car waiting somewhere. Mercedes, wasn’t that what they liked? The church bell rang. According to the price list, a Q5 cost 666,000 kroner. If there was a hidden message in those figures, it went way over Truls Berntsen’s head.

‘You look good,’ Beate said as she inserted the key into the lock. ‘Got a new finger, as well.’

‘Made in Hong Kong,’ Harry said, rubbing the short titanium stump.

He observed the small, pale woman as she unlocked the door. The short, thin, blonde hair held in a band. Her skin so fragile and transparent that he could see the fine network of veins in her temple. She reminded him of the hairless mice they used in experiments for cancer research.

‘As you wrote that Oleg was living at the crime scene I thought his keys would give me access.’

‘That lock was probably destroyed ages ago,’ Beate said, pushing the door open. ‘You just walked straight in. We had this lock fitted so that none of the addicts would come back and contaminate the scene.’

Harry nodded. It was typical of crack dens. No point having a lock, they were destroyed immediately. First of all, junkies broke into places where they knew the occupants might have drugs. Second, even those who lived there stole from each other.

Beate pulled the tape to the side, and Harry squeezed in. Clothes and plastic bags hung from hooks in the hall. Harry peered into one of the bags. Paper towel rolls, empty beer cans, a wet bloodstained T-shirt, bits of aluminium foil, a cigarette packet. Against one wall was a stack of Grandiosa boxes, a leaning tower of pizza that rose halfway to the ceiling. Four identical white coat stands. Harry was puzzled until he realised they were probably stolen goods they had been unable to convert into cash. He remembered that in junkie flats they were forever coming across things someone had thought they could sell at some point. In one place they had found sixty hopelessly out-of-date mobile phones in a bag, in another a partly dismantled moped parked in the kitchen.

Harry stepped into the sitting room. It smelt of a mixture of sweat, beer-soaked wood, wet ash and something sweet which Harry was unable to identify. The room had no furniture in any conventional sense. Four mattresses lay on the floor as if round a campfire. From one protruded a piece of wire bent at ninety degrees, shaped into a Y at the end. The square of wood floor between the mattresses was black with scorch marks around an empty ashtray. Harry assumed the SOC unit had emptied it.