He began his career as a law clerk to two federal judges and then worked as a trial attorney for five years in the Office of the Federal Defender in Atlanta. While there, Carl tried a significant number of federal cases, litigated hundreds of evidentiary and sentencing hearings, and argued cases in the United States Court of Appeals for the Eleventh Circuit. Since leaving the Defender Office over a decade ago, Carl has continued to work almost exclusively on federal criminal matters, with a particular emphasis on white collar matters. Carl regularly handles matters involving allegations of mail fraud, wire fraud, bank fraud, health care fraud, bribery and public corruption, overprescribing, money laundering, and a host of other federal crimes.