Audit finds Tarrant County medical examiner botched more than 40 autopsies Audit finds Tarrant County medical examiner botched more than 40 autopsies Dozens of homicide cases in Tarrant County are in jeopardy after the Tarrant County medical examiner learned one of his coroners made dozens of mistakes. And that's just last year. FORT WORTH, Texas - Dozens of homicide cases in Tarrant County are in jeopardy after the Tarrant County medical examiner learned one of his coroners made dozens of mistakes. And that's just last year. Dr. Marc Krouse was suspended from performing autopsies in homicide cases last year after the first mistakes were found. He’s now fully suspended and is expected to leave the Tarrant County Medical Examiner’s Office permanently after more than 40 years on the job.