Walter Law Office

Criminal Defense | Serving Sioux Falls, SD
605-450-6182Walter Law Office has experience helping clients with their Criminal Defense needs in Sioux Falls, South Dakota.
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Experienced, Esteemed and Ready To Defend
When you need experienced legal representation, you deserve to have someone at your side who can offer you the respect and dedication you need to protect your best interests in your case. Not all lawyers offer the same level of representation to their clients, so it pays to learn about any attorney you consider working with.
I am D. Sonny Walter, and I am proud to serve the people of South Dakota with the full extent of my legal skills and knowledge. From my Sioux Falls office, I offer my services free of any judgment about your case, and I am prepared to fight for you and your future.
Contact us today if you need legal assistance with any of the following:
- Criminal Law
- Criminal Law - Federal (White Collar Crime)
- DUI/DWI
- Drug Violations
- Sex Offenses
Call 605-450-6182 today to arrange your free initial consultation.
Attorney Sonny D. Walter
Bar Admissions:
- South Dakota, 1989
- U.S. Supreme Court, 2017
- U.S. District Court District of South Dakota, 1996
Education:
- University of South Dakota School of Law, Vermillion, South Dakota, 1989
- J.D.
- University of South Dakota, 1985
- B.S., Bachelor of Science
Professional Memberships and Achievements:
- South Dakota Association Criminal Defense Lawyers, 2013 - Present
Languages Spoken:
- English
Since 1997, the "Lead Counsel Verified" status has been granted to attorneys who possess:
- The Right Professional Experience
- A Spotless Record
The following attorneys at this firm are Lead Counsel Verified:

Sonny Walter
This attorney practices in South Dakota and is Lead Counsel Verified in the following practice areas:
Practice Area | Year |
---|---|
Federal Criminal Law | Since 2023 |