Case against Emery man dismissed in Hanson County

TL;DR

Prosecutors dismissed eight felony sex crime charges against Sean Gerstenecker of Emery in Hanson County.
Charges included four counts of aggravated incest and four counts of second-degree rape from incidents alleged in July-August 2025.
No reason given for dismissal; prosecutors and defense attorney declined comment.

The story at a glance

Prosecutors in Hanson County dropped all charges against Sean Gerstenecker, a 35-year-old Emery man, according to court records filed February 26, 2026.[[1]](https://www.mitchellrepublic.com/news/local/case-against-emery-man-dismissed-in-hanson-county) The case stemmed from a mother's report to the Hanson County Sheriff's Office about assaults on her juvenile daughter. It's being reported now following the recent court filing.[[1]](https://www.mitchellrepublic.com/news/local/case-against-emery-man-dismissed-in-hanson-county)

Key points

Gerstenecker faced four counts of aggravated incest (Class 3 felony) and four counts of second-degree rape by force, coercion or threats (Class 1 felony).[[1]](https://www.mitchellrepublic.com/news/local/case-against-emery-man-dismissed-in-hanson-county)
Allegations involved repeated assaults on a juvenile at a Hanson County residence between July 20 and Aug. 20, 2025; report filed Aug. 29, 2025.[[1]](https://www.mitchellrepublic.com/news/local/case-against-emery-man-dismissed-in-hanson-county)
Gerstenecker entered a not guilty plea in September 2025.[[1]](https://www.mitchellrepublic.com/news/local/case-against-emery-man-dismissed-in-hanson-county)
Dismissal signed by prosecuting attorney Laurie Richardson; fellow prosecutor Reid Kiner also contacted but no comment returned.[[1]](https://www.mitchellrepublic.com/news/local/case-against-emery-man-dismissed-in-hanson-county)
Defense attorney Doug Dailey declined to comment.[[1]](https://www.mitchellrepublic.com/news/local/case-against-emery-man-dismissed-in-hanson-county)

Details and context

The original charges came from a criminal complaint after the sheriff's office got the report from the alleged victim's mother. No trial occurred after the not guilty plea.

Prosecutors did not explain the dismissal, leaving the reason unclear from public records. This is a local case in rural South Dakota, handled at the county level.

Why it matters

Dismissals like this raise questions about evidence sufficiency or case handling in serious felony prosecutions, especially sex crimes involving juveniles. For the local community in Emery and Hanson County, it means the defendant faces no further charges on these counts right now. Watch county court records or statements from prosecutors for any updates, though none are confirmed.