spitz said the science showed russell adkins had been telling the truth. out of a car. and the original autopsy, which identified three small abrasions on her elbows and shoulder, proved that. >> the abrasions were significant to him, that abrasions to the elbows and the shoulder are indicative of a fall. when you fall back, your arms tend to go back to brace yourself from the fall. >> dr. spitz, if these fractures are a result of being struck with a weapon the size of a pool cue, i believe you said you would expect lacerations on her scalp, is that right? >> yes, let me just say this. if this was a weapon, this whole thing would look different. >> and not to slight your county person, but dr. spitz has got a lot of credentials, a lot of autopsies, a lot of history. >> the concern is that the jury buys the flash and -- and doesn't listen to the science. >> reporter: but before the jury could mull over the science, they had to take into account the story of the only other person in the car that night, dana's best friend roxy, who would tell her story in pub