Criminal Defense Experience You Can Trust When Your Future Is on the Line

Over 100 Jury Trial Wins in State and Federal Courts 

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Proven Excellence in Criminal Defense

William Mauzy is one of Minnesota’s most respected and accomplished criminal defense attorneys. For more than 30 years, he has defended clients in some of the state’s most complex, high-profile, and high-stakes criminal cases. Mauzy Law Office, P.A. has secured acquittals, dismissals, and other favorable outcomes for charges ranging from complex white-collar fraud to high-profile homicide cases.

  • 100+ jury trial victories in state and federal courts
  • 30+ years of criminal defense experience
  • Board-certified Criminal Trial Specialist by the Minnesota State Bar Association and by the National Board of Trial Advocacy
  • Awarded as one of the Top 10 Lawyers in Minnesota
  • Recognized by Best Lawyers in America (White-Collar Criminal Defense) and Super Lawyers
  • American College of Trial Lawyers Fellow
  • Featured on CNN, CBS, FOX, NBC, The Wall Street Journal, The New York Times, Star Tribune, and more
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Meticulous Preparation. Strategic Advocacy. Relentless Defense.

At Mauzy Law Office, P.A., every case begins with one goal: building the strongest possible defense for your unique case. Lead attorney William Mauzy takes a hands-on, client-focused approach. Our firm carefully analyzes the facts, identifies weaknesses in the prosecution’s case, and develops a strategy designed to achieve the best outcome. No matter how your case is resolved, we’ll work tirelessly to protect your rights and future.

Criminal defense isn’t just about legal strategy—it’s about protecting your future. Whether you’re a professional, public figure, or private citizen, Mauzy Law Office, P.A. knows what’s at stake. We defend clients with discretion and tenacity. From the initial consultation to final resolution, we’ll fight to clear your name.

Our criminal defense approach is rooted in meticulous preparation and a deep understanding of criminal law. We work with skilled investigators and expert witnesses and use strategic motion practice to challenge the government’s evidence at every turn.

William Mauzy’s decades of trial experience and reputation for excellence give clients a powerful advocate in front of judges and juries. Discover what sets us apart: contact us today for a consultation. 

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Trusted by Professionals and Public Figures

When reputations, careers, and public profiles are on the line, clients turn to Mauzy Law Office, P.A. for trusted, discreet, and effective criminal defense. Thanks to a proven track record in high-profile and sensitive cases, our firm is known for our ability to navigate complex legal issues while minimizing media exposure and protecting our clients’ privacy.

Over the years, we have successfully represented:

  • Business owners, corporate executives, and entrepreneurs
  • Healthcare professionals, including doctors, nurses, and pharmacists
  • Local, state, and federal public officials
  • Stockbrokers, accountants, and other financial industry professionals
  • Celebrities, entertainers, and professional athletes

Clients rely on Mauzy Law Office, P.A. for clear legal strategy and relentless advocacy. We understand the unique pressures high-profile clients face—and we deliver results without compromising discretion or professionalism. 

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Results That Speak for Themselves

William Mauzy has built a national reputation for winning complex, high-stakes criminal cases. He was the first attorney in Minnesota to use the battered woman syndrome defense in a murder trial and the first to try a case against the Office of Independent Counsel.

From acquittals in white-collar fraud and environmental crime trials to groundbreaking work in homicide defense, his courtroom results speak for themselves.

Over his decades-long career, William Mauzy has helped hundreds of clients avoid charges through strategic pre-charge advocacy and secured dozens of acquittals in trial courts across the country.

Minnesota Tech Entrepreneur Acquitted In Tax Evasion Trial
Tech entrepreneur David Erickson has been acquitted of all charges — 16 in total — in an alleged tax evasion scheme. After a two-week trial, defense counsel William Mauzy and William Dooling, of Mauzy Law Office, prevailed.
Insider Trading Acquittal
Twin Cities insurance agent acquitted on all counts in a nationally covered insider trading case involving a former Medtronic executive.
Healthcare Fraud Charges Dismissed
General counsel of a medical device company faced felony Medicare fraud charges—after a two-month trial, all felony charges were dismissed, with a misdemeanor plea and no jail time.
Environmental Felonies Reduced
Client charged with 13 federal Clean Water Act felonies was acquitted of all major charges.
Sexual Conduct Allegation Rejected
Noted pediatrician found not guilty of criminal sexual conduct after a jury trial.
Groundbreaking Homicide Defense
First successful use of the battered woman syndrome defense in Minnesota. The case involved a minister’s wife acquitted of first-degree murder in the death of her abusive husband.
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Minnesota-Based, Nationally Recognized

Mauzy Law Office, P.A., serves clients across Minnesota. Whether you’re facing charges in Hennepin County or rural district courts, William Mauzy brings the same level of strategic precision and relentless advocacy to every case.

In addition to his statewide presence, William Mauzy is licensed in multiple federal jurisdictions. He regularly defends clients in high-stakes federal matters across the country. His deep experience with multijurisdictional investigations, interstate prosecutions, and complex regulatory cases makes him a trusted choice for clients whose legal exposure spans state and federal lines.

Whether acting as lead counsel in a local case or as part of a coordinated national defense team, William Mauzy regularly navigates complex state and federal criminal cases. 

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You Only Get One Shot at the Right Defense. Make It Count.

When you’re charged with a crime or under investigation, your choice of defense attorney can make all the difference. Mauzy Law Office, P.A. offers the experience, strategy, and courtroom skills to protect your future.

Don’t wait to get the legal help you need. Contact Mauzy Law Office, P.A., today for a confidential consultation. Fill out the form below to take your first step toward a powerful defense. 

Minnesota Criminal Law Blog