Studies to support her findings paved the way for the defense's most important witness. >> mr. hawkins called dr. ronald wright. that the bow tied dr. ronald wright was brought in as an expert witness to challenge the findings of the medical examiner. >> i finished my training at the university of miami. >> we called dr. ronald wright, who was the former chief medical examiner in broward county, who taught dr. price. we thought his prestige, his past, his pedigree, if you will, was superior to hers. >> point by point, he undermined the state's case. he argued that vera lawrence destroyed her b...