A shocking crime has unravelled in the quiet suburbs of Stockholm, where a young couple and the brother of the male suspect are on the run, accused of a heinous murder.

Authorities discovered the body of a 37-year-old man, believed to have been killed in his own home with his children present.

Neighbors expressed disbelief, describing the suspects as a "normal family" with no signs that could have predicted this tragedy.

The case, which has revealed a complex web of relationships among those involved, has left the community in shock and raised urgent concerns about the whereabouts of the couple's children.

The investigation continues as police follow digital trails in an attempt to locate the fugitives.