standards, age, etc. And, as well as the experts, we have analytical software that can give us a breakdown of a user in seconds. So, to answer your question, Herr Meyer: yes, it can be difficult to see through a carefully constructed avatar identity on the web, but we do have an armoury of weapons at our disposal and it’s much more difficult to hide behind an invented identity than you would think.’
‘Thanks,’ said Fabel. ‘Chief Commissar Kroeger will be working alongside us on this and provide the liaison with the other specialists in his unit. Anna has provided him with the full list of possible convergent identities from the social-network sites. What’s narrowed it down is that each of the victims seemed to favour a different site. We’ve found it difficult to find any points of convergence in their day-to-day real lives, and it’s proving tricky in their online activities, but we do know that all four women made regular use of social networking sites to meet men.’
‘One thing I didn’t mention,’ said Kroeger, ‘is that we have a distinct advantage in being in possession of the computers used by each of the women. We have technology that enables us to retrace their steps. We may even be able to recover a good part of their chatroom messages. And that could point us in very specific directions.’
‘Where are we with that?’ asked Fabel.
‘Not that far away. I reckon another day or two and we’ll potentially have a lot of leads from what was keyed into the computers. It’s painstaking work, of course.’
‘Of course,’ said Fabel and smiled. Kroeger was all numbers and no personality. This was no game nor some kind of professional challenge. In two days another woman could be dead. She could be planning to meet her killer right now: chatting, flirting, making arrangements with an electronic fiction of a human being. ‘But, as I’m sure you appreciate, time is of the essence here.’
‘Naturally we will treat this case as an absolute priority.’ When Kroeger spoke he always said the right things. But whatever sentiment was in it never made it into his expression or his grey eyes. He was himself almost a machine, thought Fabel.
Fabel had worked with Kroeger once before, on a child-murder case involving an internet-based paedophile ring; Kroeger had all but come right out and said that he thought Fabel’s technological illiteracy compromised his efficiency as an investigator. But what had riled Fabel most of all was the way Kroeger had remained so detached from the human suffering involved in the case. Kroeger seemed as uninterested in and as uncomprehending of the fact that a child had been murdered and a family ripped apart by horror and grief as Fabel was about the difference between a kilobyte and a gigabyte. The result was a lingering mutual distaste.
But Fabel needed Kroeger on this case. There was no denying that if they stood a chance of catching the Network Killer, then Kroeger’s expertise was the most important tool they had. It was, as Kroeger had said himself, his beat.
‘Unfortunately my team is unusually stretched at the moment,’ continued Kroeger. ‘We’ve been given the responsibility of tracking down the source of this Klabautermann Virus that’s been wrecking e-comms within the state government. But, like I said, this case will naturally take priority.’
‘I appreciate that.’
Fabel spent the rest of the briefing with the usual mechanics of a major investigation. Each team of two detectives gave a report on their corner of the investigation, followed by a group discussion and the allocation by Fabel of further investigative tasks.
‘That guy Kroeger gives me the creeps …’ Werner came up to Fabel after the others had gone. ‘I’m sure I saw him in that science fiction film – you know, The Matrix .’
‘He’s good at his job,’ said Fabel. ‘One of the best in Europe, I’ve been told. That’s all that counts. And god knows we need him on
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