20-year-old male

No PhotoName Unknown.
Died: April 26, 2015.
Age at death: 20.
Cause of death: Murder.
Location: Copenhagen, Denmark.
Disability: Intellectual disability.

Details:
This young man was fatally stabbed in the neck by his younger sister. She told police, “I’ve just always hated him because he has ruined my life.”

Perpetrator: His 15-year-old sister. Ruled not guilty because of mental illness; sent to a psychiatric ward for treatment and eventual release.

Source:
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Danish girl killed disabled brother who ‘ruined life’