Two years ago, at age 18, Matthew Scheidt was convicted of impersonating a physician assistant and practicing medicine without a license at a Florida hospital. According to prosecutors, he dressed wounds, examined patients and even performed CPR — despite having no qualifications for the position. Four months after being bonded out of a juvenile detention center, he was arrested again — for allegedly impersonating a police officer. In a Dr. Phil exclusive, Matthew, now 20, speaks out for the first time. How does he explain his actions? And, now that he is a convicted felon, how can he repair his reputation and move toward a more promising future?