Name: Rebecca Riley.
Died: December 13, 2006.
Age at death: 4.
Cause of death: Drug overdose.
Location: Hull, Massachusetts, USA.
Disability: ADHD, bipolar disorder.
Rebecca died of a drug overdose. Her psychiatrist had prescribed high doses of medication to begin with, but her parents gave her even more, and eventually she died of poisoning.
Michael Riley (Father), first degree murder, life without parole.
Carolyn Riley (Mother), second degree murder, fifteen years to life.
Kayoko Kifuji (Doctor), no charges.