Sioux Falls, SD Criminal Defense Attorney

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Years of Experience

Welcome to D Sonny Walter Attorney at Law

An attorney’s job is to provide information and advice on the pros and cons of a particular course of action in a case. This counsel helps the client decide on the best approach to take.

In some situations, the client needs to make the decision on whether to try the case to a jury or enter a plea. A sound decision only happens after the lawyer gives a full explanation of the options, and the client has received and reviewed all the information in the case. That is why it is important that a lawyer is strategic and experienced when it comes to advising a client.

With D Sonny Walter Attorney at Law, you get a skilled lawyer who is not afraid to take your case to trial. He will not plead someone guilty because of the “fear” of trying a case. Rely on him to provide sound legal advice or to represent you in the court of law.

Experienced

D. Sonny Walter has more than 30 years of experience in handling all kinds of criminal cases. These include driving under the influence (DUI), driving while intoxicated (DWI), possession and distribution of controlled substances, and many more. Learn more about him.

Jury Ready

D. Sonny Walter has represented clients in jury trials in just about every type of criminal case there is. Throughout his career, he was won most of these cases. Find out the areas he has worked on.

Authority

D. Sonny Walter is someone who is respected in his practice. He has been elected by his peers to be the East River Coordinator for the South Dakota Association of Criminal Defense Lawyers for multiple terms. Read his published articles and see why he is esteemed by his fellows. 

Practice Areas

As a criminal defense attorney, D. Sonny Walter has handled a wide variety of cases throughout his years in practice. Some of these include:

  • Murder
  • Attempted Murder
  • Homicide
  • Vehicular Homicide
  • Vehicular Battery
  • Kidnapping
  • Manslaughter
  • Aggravated Assault
  • Simple Assault
  • Simple Assault Domestic Violence
  • Robbery
  • Attempted Robbery

He has been practicing law all over South Dakota, particularly in Sioux Falls and the rest of Minnehaha County and Lincoln County. In addition, he has worked in the Federal Court.

D. Sonny Walter

Mr. Walter was born and raised in Freeman, SD. He graduated from Freeman High School in 1979. After that, he attended and graduated from the University of South Dakota in 1985 with a Bachelor of Science degree.

He then attended and graduated from the University South Dakota School of Law in 1989. He was licensed and admitted to practice law by the Supreme Court of South Dakota in October of the same year. From 1989 to 1996, he worked for the Minnehaha County Public Defender’s Office in Sioux Falls, SD.

In 1996, Mr. Walter was admitted to practice in the United States District Court for the District of South Dakota. He has tried many misdemeanor and felony cases throughout his career. He held the record with the Minnehaha County Public Defender’s Office for the most jury trial wins until 2006. He won every misdemeanor case he tried for 14 years. Mr. Walter has also won most of the felony cases he has tried.

Since 1996, Mr. Walter has owned and operated his private practice. He focused mainly on criminal defense, handling a wide variety of cases as stated in the Practice Areas link above.

From 1999 to 2017, Mr. Walter was contracted by the Governor of the State of South Dakota and the Secretary of Corrections to assist inmates incarcerated in various prisons. These included those in the Sioux Falls, Springfield, and Yankton prisons. He assisted on various matters such as appeals, habeas corpus, parole issues, prison conditions, and more.

Get in Touch

Turn to a trustworthy criminal defense lawyer to assist you with your case. Contact D. Sonny Walter Attorney at Law for any inquiries.