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Home → Criminal justice attorney → South Dakota → Sioux Falls
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Walter Law Office

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Criminal Defense Lawyer in Sioux Falls, SD

Sioux Falls, South Dakota
Criminal justice attorney
5.0 - 186 Reviews
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Contact Information

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About the Attorney

Walter Law Office is a trusted criminal defense attorney in Sioux Falls, South Dakota. Led by experienced trial attorney D. Sonny Walter, the law firm provides top-notch legal services for a wide range of criminal cases. With a strong track record of successfully representing clients in matters such as murders, homicides, DUIs, and more, Attorney Walter is dedicated to fighting for the rights of those facing criminal charges. Whether you are in need of legal advice or representation in court, Walter Law Office is here to help. Contact us today to schedule a consultation and learn more about how we can assist you in navigating the complexities of the criminal justice system.

Practice Areas

Criminal justice attorney Trial Attorney

Client Reviews

Popular mentions

Amy Mosley Avatar
Amy Mosley
7/28/2026
Sonny was great to work with. His experience and knowledge were key to a quick dismissal. He’s one of the best defense lawyers I’ve seen.
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Charles Oleson Avatar
Charles Oleson
7/01/2026
Walter was a pleasure and a godsend to have as an attorney. He responded in a timely manner to my request for his services and was willing to take my [dui] case. He exuded confidence and immediately made you feel comfortable. Throughout the process, he stated pretty matter of factly what the end result would be, and he was correct (no jail time, just a couple of classes and minimal fines).I would highly recommend him to anyone in similar circumstances.
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Alex Wirth Avatar
Alex Wirth
5/07/2026
Sonny did an excellent job for me,his attention to details made my legal experience as smooth as it could have been.
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Ethan Waldner Avatar
Ethan Waldner
4/14/2026
I had a great experience working with Sonny on my case. He was easy to talk to, kept me informed throughout the process, and always answered my questions quickly. The whole situation was stressful, but Sonny made it a lot easier to deal with.

I’m very thankful for the outcome and the work he put into my case. I would definitely recommend Sonny to anyone needing a good attorney.
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UBrickISnag Avatar
UBrickISnag
3/30/2026
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