India, Nov. 23 -- The horrific state of Celeste Rivas Hernandez's body may never let cops determine the exact cause of her death, a TMZ report has said. The body of the 15-year-old girl was found dead in the trunk of an abandoned Tesla registered to D4vd. Investigators trying to determine her cause of death have said from the start that her remains were "severely decomposed" when found.

Hernandez's dismembered body parts were "partially frozen" and thawing in the car. This left the Los Angeles County Medical Examiner struggling to determine an official cause of death, sources told the outlet. The cause of death "will most likely be 'undetermined,'" the outlet stated.

Hernandez's remains may have been "refrigerated" before being wrapped ...