Murder Charges Added in Case Involving Deputy Katherine Frank

Sioux Falls, SD, October 14, 2026 —

Murder charges have been added to the case of Brandon John Oetken, who is accused in the death of Minnehaha County Sheriff’s Deputy Katherine Frank. The case is associated with Sioux Falls, South Dakota.

The information provided does not specify when the charges were added, how many charges were filed, or which authority filed them. It also does not describe the circumstances of Frank’s death or provide details about the allegations against Oetken.

Oetken is described as accused in connection with Frank’s death. The information does not provide details about the status of the case, any court proceedings, or a response from Oetken or his representatives. No plea, hearing date, or other next step is identified.

Frank is identified as a deputy with the Minnehaha County Sheriff’s Office. No additional information about her role, the events leading to her death, or the investigation is included in the summary.

The available account is limited to the addition of murder charges and the identities and roles stated above. It does not provide a date for the development or further details that would clarify the charges or the case’s procedural status.

Story summarized from the original created by Rae Yost on www.keloland.com, see more information here.

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