Authorities dispute the identities of two sets of remains found last year in a car . Investigators also conclude the two girls died in a car accident , with no evidence of foul play . The attorney general said investigators do n't know what caused the accident , but he noted that one car tire was damaged , though authorities do n't know whether a blowout caused that . Barbara Miller and Pamela Jackson died in 1971 . Their remains were found last year in their mud - covered car in a creek .
Authorities dispute the identities of two sets of remains found last year in a car . Investigators also conclude the two girls died in a car accident , with no evidence of foul play . Barbara Miller and Pamela Jackson died in 1971 . Their remains were found last year in their mud - covered car in a creek .