Watch: D4vd Charged With Murder, "Mutilation" of Human Remains in Celeste Rivas Hernandez CaseContent warning: This story graphic descriptions of an alleged murder. Celeste Rivas Hernandez's cause of death has been determined. Nearly a week after D4vd was arrested for allegedly murdering the 14-year-old, the Los Angeles County Medical Examiner shared her cause of death as "multiple penetrating injuries caused by object(s)" and her manner of death as homicide, per an April 22 press release.