Police say Madsen acknowledged he dismembered her body and threw it into Koge Bay southwest of Copenhagen..

Wall’s torso was found on a southern Copenhagen coast in late August, and her head, legs and clothes were found at sea this month. No fractures to Wall’s skull were found that would have supported the claim that she was killed by the hatch.

Wall was working on a story about Madsen and was last seen aboard his home-made submarine Nautilus as it left Copenhagen in August.

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The next day, Madsen was rescued from the sinking submarine without Wall. Police believe he deliberately sank the vessel.

Madsen’s pre-trial detention is set to expire Tuesday but police said no new hearing will be held as the 46-year-old has voluntarily agreed to remain in detention.