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Norway's mass killer Anders Behring Breivik is "calm" ahead of Friday's verdict and will appeal straight away if he is deemed to be criminally insane.
At 9am UK time, a panel of five judges will decide whether Breivik will be sentenced to life in "preventive detention" or declared insane and treated indefinitely in a purpose-built high-security ward.
A life sentence in Norway is limited to 21 years, but can be extended if the inmate is deemed still to be a danger to the public.
In either case, Breivik will spend most of his time in Ila prison on the outskirts of Oslo, where officials have prepared for both alternatives.
The defence team has indicated that Breivik would immediately appeal if he was found to be insane at the time of the attacks on the July 22, 2011, which left 77 dead in Oslo and on Utoya island.
There is also the possibility that the prosecution could challenge a prison sentence, as their lawyers contend he was of unsound mind.
As the judges prepare to deliver their verdict, Norway continues to wrestle with the large themes raised by the right-wing extremist's actions: immigration, gun control and freedom of speech.
The 10-week trial gave Breivik a platform to expand on his philosophy: he maintains the attacks were an opening salvo in a war against multiculturalism.
It's a cause he's continued to push from jail, using a word processor to start a book and write to others who share his views.
The 33-year-old demanded the computer - which is not connected to the internet - as a condition of his surrender and for his cooperation in the investigation.
He spends up to 10 hours a day writing, in one letter to a supporter called Lisa he said: "I will fight for the rest of my life with the pen for the conservative revolution."
While in another addressed to unnamed 'Russian Colleagues' he wrote: "My goal is to develop a pan-European prison network consisting of European patriotic martyrs and other politically orientated prisoners."
Øyvind Strømmen, an author and expert on right-wing extremism, gave evidence at the trial and told Sky News it's unlikely Breivik will be successful in radicalising an online army.
"He is an extremist even to extremists," he believes.
"While many people in extremist circles may sympathise with the bomb attacks against government buildings in Oslo, the attacks at the Utoya summer camp were just a bridge too far, even in extreme political circles, so his audience is very limited."
But Breivik has received letters back.
Sky News contacted one woman in North America who has been in communication with the mass killer.
She told us: "I am pleased when others do take material steps towards the destruction of the current system. I am in essence, one of ABB's many 'girl-fans'."
Mette Yvonne Larsen, one of the lawyers representing the families at Oslo's courthouse says it's outrageous Breivik is being given special treatment.
"None of my clients - I am also working as a defence lawyer - have a computer, even though they did some minor crime or drug deal or something," she said.
"But he has a computer and why? Because he is planning things from jail and my clients, they are shocked - and me as well."
Officials at Ila Prison say they will monitor his letters and his writings, and censor if necessary.
But it's made some uncomfortable that a mass killer continues to fight his war, not with guns and bombs, but with a prison keyboard.
