Jessica Hagan

A blonde young woman with Down Syndrome, wearing a medal.Name: Jessica Hagan.
Died: September 8, 2015.
Age at death: 19.
Cause of death: Murder.
Location: Cranston, Alberta, Canada.
Disability: Down syndrome.

Details:
Jessica’s mother poisoned her with a fatal drug overdose.

Jessica loved the Alberta Ballet and collected Pokémon and Yu-Gi-Oh! cards. Her brother, a bodybuilder, names her as his biggest supporter.

Perpetrator: Christine Hagan (Mother). Never charged; died months later of natural causes.

Source:
Homicide unit investigating suspicious death in Cranston
Calgary police declare Jessica Hagan’s death a homicide, but no charges