A Louisiana Supreme Court decision has granted Jimmie 'Chris' Duncan factual innocence, freeing him after nearly 30 years on death row. NBC News' Dan Slepian obtained exclusive footage of the bite mark evidence used in Duncan’s original trial—evidence now widely discredited. The video reveals how flawed forensic analysis contributed to a wrongful conviction, with experts now questioning the validity of bite mark comparisons. New DNA evidence presented by Duncan’s legal team played a key role in overturning the verdict.
The case underscores increasing skepticism toward certain forensic practices, particularly bite mark analysis, which lacks scientific reliability according to multiple studies. Duncan’s attorneys emphasized misinterpretation and procedural errors in the original investigation. This report includes personal accounts from Duncan and his defense team, offering insight into the emotional toll of prolonged incarceration. It also examines broader systemic concerns about justice accuracy when relying on outdated or unproven forensic methods.