It was on Sunday evening that the man was reported missing. He was later found dead at an address in Billingsfors.
Most of it is under preliminary investigation secrecy since it is so early on. But one makes an assessment already on site that one cannot rule out a crime, says the police's press spokesperson Jennifer Last.
What makes the police suspect that the man was murdered, they do not want to say.
Early on Monday morning, two people are arrested, who later are detained by the prosecutor, suspected of murder.
The suspected crime scene has been examined by the police's technicians.
Vi jobbar becomes We are working: We are working further with the case during the day and ahead, says Jennifer Last.