M. Rhett DeHart is a member of the Firm’s White Collar and Government Investigations Team and Healthcare Sector. Before joining Womble, Rhett was the Acting United States Attorney in South Carolina, capping a 20-year career as a Federal Prosecutor. He focuses on representing companies and individuals in criminal and civil actions involving bank fraud, healthcare fraud, the False Claims Act, customs and import fraud, securities fraud, environmental crimes, the Foreign Corrupt Practices Act, and internal investigations. As Acting U.S. Attorney, Rhett was the Chief Federal Law Enforcement Officer in a state with 5.2 million people and led a team of 165 professionals with offices in Charleston, Columbia, Greenville, and Florence.
During his tenure as Acting U.S. Attorney, Rhett successfully oversaw numerous high-profile criminal and civil cases, including an $11 billion securities fraud case involving the state’s largest utility company, a $140 million False Claims Act suit involving health care providers, and a $30 million investment fraud involving a coastal real estate development. As Acting U.S. Attorney and First Assistant U.S. Attorney, Rhett led a state task force to prosecute fraud related to COVID-19 relief programs, including the Paycheck Protection Program (PPP).
Rhett is an experienced and respected litigator, having handled hundreds of federal cases. He has tried more than 25 cases to verdict, authored more than 35 appellate briefs, and argued eight cases before the Fourth Circuit Court of Appeals. Throughout his career, he has focused on white-collar cases. Rhett worked closely with every major federal and state law enforcement agency, including the Federal Bureau of Investigation (FBI), Health and Human Services (HHS-OIG), the Internal Revenue Service (IRS), the Environmental Protection Agency (EPA), the Customs Service (ICE), and the Securities and Exchange Commission (SEC). Rhett’s experience with the Justice Department and federal and state law enforcement agencies provides his clients – whether companies or individuals – with unique advantages in defending criminal, civil, and administrative actions.
Prior to joining the U.S. Attorney’s Office, Rhett was Counsel to the United States Senate Judiciary Committee in Washington, D.C., where he was the lead counsel for criminal legislation for the Chairman of the Committee. Rhett graduated from the University of South Carolina School of Law, where he was inducted into the Order of the Coif. He received his undergraduate degree in International Studies from the Honors College of the University of South Carolina, where he graduated magna cum laude. He is a member of the National Association of Former U.S. Attorneys, the South Carolina Bar, and the Federal Bar Association.
Professional & Civic Engagement
- National Association of Former U.S. Attorneys
- Federal Bar Association
- South Carolina Bar Association
- Charleston County Bar Association
Media Mentions
Rhett has been quoted or featured in CNN, Reuters, U.S. News World & Report, Dateline, Daily Mail, Charlotte Observer, Washington Times, and every major media outlet in South Carolina. Samples of media coverage include:
- "Cainhoy Peninsula is Charleston's future. Can development be balanced with conservation?," The Post and Courier, November 17, 2024
- "Former doctor, opioid addiction 'specialist" faces grand jury probe for alleged financial crimes," The Post and Courier, May 17, 2024
- “Prosecutors Drowning in Data Urged to Collect Less Evidence,” Bloomberg Law, June 15, 2022
- “Ex-Acting US Atty Joins Womble Bond White-Collar Team,” Law360, March 24, 2022
- “Acting US Attorney for SC DeHart stepping down; Boroughs considered Biden’s next pick,” The Post and Courier, December 21, 2021
- “South Carolina Nursing Director Charged with Making Fake COVID-19 Vaccination Cards,” MSN, December 5, 2021
- “Sentencing former SCANA CEO Kevin Marsh latest in S.C. nuclear plant investigation,” The State, October 7, 2021
- “Court issues $140M judgment against SC clinics for healthcare fraud,” WCBD-TV – NBC 2, September 3, 2021
- “Westinghouse avoids prosecution in $21 million cooperation deal,” Reuters, August 30, 2021
- “Failed Nuclear Contractor Signs $21M Deal, Working With Feds,” U.S. News & World Report, August 30, 2021
- “SC resort scam kingpin pleads guilty to tax and wire fraud in Charleston,” The Post and Courier, August 30, 2021
- “Man who attempted to set fire to police cruiser during riot sentenced to two years in federal prison,” WCSC-TV – Live 5, July 12, 2021
- ,“Ex-Westinghouse exec admit lies in SCANA’s nuclear project,” The State, June 10, 2021
- “USC alum named acting US Attorney in South Carolina,” The State, March 1, 2021
- “Man convicted of mail fraud,” The Post and Courier, December 8, 2016
- “Charleston murder-for-hire case headed to jury,” The Post and Courier, November 2, 2016
- “The Charleston Affair,” Dateline, August 12, 2016
- “3 men sentenced for killing protected hawks, owls,” Washington Times, August 29, 2014
- “Ex-Bank of America executive charged with trying to have his estranged wife of 24 years killed in murder-for-hire plot hatched to cover affair with his secretary,” Daily Mail, August 12, 2013
Thought Leadership
Publications
- Co-Author, "SCOTUS Limits Scope of Federal Anti-Bribery Law," Corporate Compliance Insights, July 2, 2024
- Co-Author, “DOJ Signals Expanded Use of Independent Monitors for Corporate Criminal Enforcement,” Corporate Compliance Insights, June 8, 2022
- Co-Author (with Matthew R. Hubbell), “Covid Fraud Enforcement: What You and Your Clients Need to Know”, Duffy and Young, Febuary 2022
- Author, “Is the Exclusionary Rule Doomed?,” South Carolina Lawyer, March 2015
- Co-Author (with E. Bart Daniel, Matthew R. Hubbell, Joseph P. Griffith, Jr., and Tracy A. Meyers), “Federal and State Securities Enforcement”, South Carolina Bar, 2008
- Co-Author, (with Edwin Meese III) “Big Brother on the Beat: The Expanding Federalization of Crime”, Texas Review of Law & Politics, Vol. 1, Issue 1, 1997
Presentations
- Panelist, Womble Bond Dickinson (US) LLP’s First Annual Health Care Fraud Symposium, March 14, 2023
- Co-Presenter, "Best Practices for Internal Investigations," The Association of Corporate Counsel South Carolina Annual Meeting, September 16, 2022
Honors and Awards
- Lawdragon 500 Leading Litigators in America in White Collar, Investigations, Healthcare, Appellate, 2025
- Recognized in The Best Lawyers in America (BL Rankings), Commercial Litigation (2024 - Present) and Criminal Defense - White Collar (2024 - Present)
- Recognized in Charleston Business Magazine's Legal Elite, Corporate Investigations, White Collar, 2023
- U.S. Attorney’s Award, 2006, 2009, 2014
Representative Experience
- Represented international investor against a cryptocurrency company in a week-long trial in the District of Delaware
- Represented an elected official and obtained an immunity agreement in the Special Counsel’s investigation into the 2020 Presidential election in the District of Columbia
- Represented an engineering firm and obtained a declination in a criminal investigation by the South Carolina Department of Health and Environmental Control (DHEC)
- Represented an investor in an insider trading investigation and obtained a declination in a criminal prosecution in the Southern District of New York and a civil declination from the Securities and Exchange Commission (SEC)
- Represented the Chief Executive Officer (CEO) of a Utility Company in a breach of contract case and obtained a favorable settlement in the District of South Carolina
- Represented defense contractor corporation and obtained a favorable settlement in a False Claims Act case in the Northern District of Iowa
- Represented physician and obtained a settlement in a False Claims Act case in the District of South Carolina
- Represented skilled nursing facilities and obtained a dismissal in a False Claims Act case in the District of Columbia
- Represented a Federal Firearms Licensee (FFL) in a felony prosecution and obtained probation in the District of South Carolina
- Conducted internal investigations for an international manufacturer, a national bank, and other Womble Bond Dickinson clients