Overturning postmortem toxicology report

Location: Texas

Toxicology report shows heart blood drawn 56+ hours after time of death. Despite a vitreous sample also taken, the report doesn’t show a result for vitreous sample.

Blood alcohol for heart blood is .19

There’s no evidence of the amount of alcohol being consumed to get this high of BAC. ChatGPT says it would take 20-30 drinks to be that high.

What are the odds of getting this overturned in Texas?