Court gives young man life sentence for Mikkeli murder

The South Savo District Court has sentenced a young man to life imprisonment for murdering the mother of his former support family in Mikkeli in July 2025, Yle reported.

Niklas Joska Oliver Turpeinen, who was 19 when the crimes were committed, was also convicted of attempted murder, aggravated robbery and aggravated criminal damage. Before the killing, he attacked a taxi driver with a knife in Jyväskylä.

A mental examination found that Turpeinen was criminally responsible at the time of the offences. He was able to understand the consequences of his actions and control his behaviour. He did not give the court a motive for the crimes.

The court ordered Turpeinen to pay the victim’s relatives a total of 66,000 euros for the suffering caused by the homicide, as well as funeral costs and other expenses. He was also ordered to pay the taxi driver 30,000 euros for pain, suffering and cosmetic harm, along with 3,000 euros for lost earnings.

Events leading to the crimes

In the early hours of July 6, 2025, Turpeinen searched online for the words “first murder”. He had earlier spent the evening drinking alcohol with friends at a bar.

He took a taxi in Jyväskylä and asked the driver to take him to the parking area at Halssila ski resort. There, he stabbed the driver several times in the neck with a kitchen knife and stole the taxi. The driver suffered injuries that required hospital treatment.

Turpeinen drove the taxi to Mikkeli and abandoned it there. He then went to the detached house of the mother of his former support family in Otava, Mikkeli. He hit the woman several times with a hammer, then set the house on fire and stole the family’s car.

Police arrested Turpeinen in Kangasniemi the following Monday after receiving a tip from the public. He was found outdoors, and the arrest took place peacefully.

The verdict is not final and can be appealed. Defence lawyer Henry Saleva said the defence would appeal to the Court of Appeal, arguing that the killing should be classified as manslaughter rather than murder.

In Finland, a person sentenced to life imprisonment who was under 21 at the time of the crime may apply for parole after serving at least 10 years in prison.