Finnish police found the bodies of two people in a car in the village of Saverkeit on Houtskär island in the Turku archipelago on Saturday. The island is home to some 600 people.
A 54-year-old woman and a 29-year-old man, both local residents, were found dead of gunshot wounds. Police believe that the man fired the gun. Preliminary information indicates that no outsiders were involved in the incident.
Emergency services received a call about the situation around 1 pm on December 10. Border Guard helicopter flew police in to the scene.
On Monday the lead investigator, Police Commissioner Jussi Helesvirta, told Yle that the crime scene and technical investigations have been completed. Further interviews will be done from police headquarters in the mainland city of Turku.
The local municipality has set up a support centre. The island's Lutheran church will hold a memorial service on Monday evening.