The Danish engineer Peter Madsen, charged with murdering and mutilating Swedish journalist Kim Wall aboard a homemade submarine, goes on trial on Thursday.
The macabre case rocked the nation last year and Copenhagen Court House will call 37 witnesses during a 12-day trial likely to revolve around seemingly contradictory statements by the 47-year old accused.
Mr Madsen has admitted to cutting up Ms Wall's body but denies murdering her aboard the vessel where she was last seen on August 10.
His lawyer, Betina Hald Engmark, has not revealed what Mr Madsen intends to say at his trial.
According to a charge sheet, Mr Madsen tied the 30-year-old freelance reporter by the head, arms and legs before beating and stabbing her, including 14 stab wounds and holes in her genital area, after she boarded the submarine to interview him.
Prosecutors say he then killed her and dismembered her body, stuffing her torso, head, and legs in separate bags weighed down with metal objects, and dumping them in Koge Bay off Copenhagen.
Mr Madsen has changed his story several times about what happened that night.
He initially said he had dropped Wall off in a Copenhagen harbour, then he said she died in an accident onboard the vessel.
Mr Madsen said he subsequently "buried her at sea".
But prosecutors believe he planned to murder Wall because he took a saw, knife, plastic strips and metal pieces on board, all of which they say were used to torture and dismember her, and dispose of her remains.
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Danish inventor 'tortured journalist Kim Wall before killing her'
Denmark Police: Danish inventor admits dismembering Swedish journalist Kim Wall
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"The Danes were like everybody else shocked by the cruelty of this crime," said Frank Hvilsom, a journalist reporting on the case for the Danish daily Politiken.
"Many could identify with the victim and feel very sorry for her," he told AFP.
Family and friends of award-winning Wall, who reported for The New York Times, The Guardian and others, have set up a memorial trust in her name to fund women reporters interested in covering "the undercurrents of rebellion".
Neither the cause of death nor the motive has been established, but investigators believe Mr Madsen strangled Wall or cut her throat as part of a sadistic sex crime. He has denied any sexual relations with Wall.
Investigators seized in his workshop a hard drive containing fetish films in which women were tortured, decapitated and burnt alive, according to the prosecution. Mr Madsen denied the drive was his.
He faces a life sentence, which in Denmark averages 16 to 17 years before parole according to national statistics, although some convicts have been locked up much longer.
A well-known figure in Denmark, one of Europe's safest countries, he was dubbed "Rocket Madsen" due to his ambitions for amateur space travel and rocket launches.
"I knew about him from television. He was such a special personality," said Geske Svensson, a 71-year-old museum worker in Copenhagen.
In 2008, Mr Madsen launched the Nautilus, the largest privately built submarine, with help from 25 volunteers.
After a conflict, the sub's board of directors transferred ownership to Mr Madsen, described as having "a hard time getting along with other people" by journalist Thomas Djursing, who wrote a 2014 biography about him.
Wall, whose work had taken her to the earthquake-hit ruins of Haiti and the macabre torture chambers of Idi Amin's Uganda, was reported missing by her boyfriend after she failed to return home from a trip on the 18-metre vessel.
The Columbia Journalism School graduate was having a going away party before moving to China with her boyfriend when she received a phone call from Mr Madsen, who she had been planning to interview for a story.
Her boyfriend told Danish magazine Station 2 that he changed his mind about joining Wall onboard the vessel at the last minute to not leave their friends alone at the party.
Investigators believe Madsen deliberately sank the Nautilus shortly before he was rescued at sea on August 11.
