DANISH submarine inventor Peter Madsen, a suspect over the death of a Swedish journalist whose torso, decapitated head, legs and clothes were found in the sea off Copenhagen, will no longer talk with investigators, police said.
Investigator Jens Moeller Jensen said Madsen "doesn't want to talk now".
Mr Moeller Jensen said Madsen, who is in pre-trial detention, is not obliged to speak, adding that his lawyer, Betina Hald Engmark, had informed them of her client's decision.
Kim Wall's headless torso with 15 stab wounds was found on August 21.
Before the other body parts were found last week, Madsen was willing to talk to investigators.
Her arms are still missing.
Ms Wall was working on a story about Madsen, and was last seen alive on August 10 aboard his 40-ton, nearly 60-foot long submarine as it left Copenhagen.
The following day, Madsen was rescued from the sinking submarine without Ms Wall and was arrested the same day.
Police believe he deliberately scuttled the vessel.
Madsen, who is being held on preliminary manslaughter charges and indecent handling of a corpse, has said Ms Wall died after being accidentally hit by a heavy hatch in the submarine's tower.
Police, however, have found no fractures to Ms Wall's skull.
Investigators believe Madsen killed Ms Wall between August 10 and 11, cut up her body and attached a belt with a pipe to the torso so it would sink.
Her head, arms and legs had been deliberately cut off after her death, according to police.
Detectives later found videos on Madsen's personal computer of women being tortured, decapitated and murdered.
Ms Wall's cause of death has not yet been established yet.
Norwegian police said on Wednesday they would ask Danish colleagues for his DNA to check it against old murder cases in Norway.
Espen Erdal, of Norway's National Criminal Investigation Service, called it standard procedure.
Swedish police said on Monday they will reopen old murder cases when the DNA databases of Sweden and Denmark are joined up next month, with Madsen's DNA to be tested against unsolved killings in Sweden.
Danish police are also looking at so-called cold cases, including the 1986 find of the dismembered remains of a 22-year-old Japanese tourist whose corpse was found in several plastic bags in Copenhagen harbour.
