Criminal Defense

Whether you have been involved in an unlawful matter or have been convicted of a crime and need assistance with your defense or appeal, Martin F. McMahon & Associates can assist you with your criminal litigation and/or appellate needs.

We have successfully defended clients against charges of bank fraud, tax fraud, SEC fraud, immigration fraud, IRS fraud, telemarketing fraud, illegal counterfeiting, illegal importing, health care fraud, wire fraud, drug possession & distribution, and international kidnapping. We also assist persons confronted with FBI investigations or who need Grand Jury representation.


Martin F. McMahon & Associates has extensive experience in handling cases before the D.C. Superior Court, U.S. District Court for the District of Columbia, U.S. District Court for the Eastern District of Virginia, and U.S. District Court for the District of Maryland.