(NewsNation) — Celeste Rivas Hernandez was not pregnant when her dismembered body was found in a car registered to the singer D4vd earlier this month, according to her death certificate.

Celeste’s cause of death has been listed as “deferred,” according to the Los Angeles County Department of Medical Examiner, which is trying to determine how the 15-year-old died, TMZ and ABC News reports.

Sources told ABC News that they hope that the lab tests and toxicology reports reveal how Celeste died.

“The Los Angeles County Medical Examiner has not yet determined the cause or manner of Ms. Rivas Hernandez's death,” The Los Angeles Police Department said on Monday. “As such, it remains unclear whether there is any criminal culpability beyond the concealment of her body.”

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