Overview: Case 1: The Imposter: Dr. Barnes For twenty years he was an imposter doctor! Dr. Gerald Barnes has a thriving practice specializing in "executive" medical exams. His salary is six-figures and life is good. But there's a problem: he's not the real Dr. Gerald Barnes. Case 2: Interstate Bank Mart Bandit He leaves no clues behind, only a trail of broken dreams and empty bank accounts. Forty-three robberies in 20 months. The M.O. is always the same. Police say it's the work of one man: "The Interstate Bank Mart Bandit!".