Sioux Falls Resident Sentenced for Fatal Fentanyl Distribution
A federal judge sentenced Jessi Whaley to 20 years in prison for her role in a fatal drug overdose in 2024.
Updated on Oct. 8, 2026 in Drug Crime
Jessi Whaley received a 20-year federal prison sentence following her conviction for distributing fentanyl that resulted in the death of Shannon Groeneweg. Investigators connected Whaley to the fatal incident through phone records and surveillance footage.
Why it matters
The case highlights the federal judicial system's focus on prosecuting drug distribution cases that lead to lethal toxicity. This sentencing marks the conclusion of a legal process initiated by a grand jury indictment in 2025.
Jessi Whaley was sentenced to 20 years in federal prison followed by three years of supervised release. The court also ordered the payment of a $100 special assessment to the Federal Crime Victims Fund.
The players
Jessi Whaley
The 27-year-old individual who was convicted and sentenced for distributing the controlled substance that resulted in a death.
Karen E. Schreier
The federal judge who presided over the case and delivered the 20-year prison sentence in Sioux Falls.
Shannon Groeneweg
The victim whose death from fentanyl and carfentanil toxicity led to the federal prosecution of Whaley.
U.S. Marshals Service
The federal law enforcement agency that took custody of Whaley following the sentencing hearing.
The details
Prosecutors established that Whaley provided the fentanyl used by Shannon Groeneweg shortly before she died of fentanyl and carfentanil toxicity. Following the sentencing, Whaley was immediately remanded to the custody of the U.S. Marshals Service.
Timeline
November 9, 2024: Shannon Groeneweg died from drug toxicity.
June 2025: A grand jury indicted Jessi Whaley.
July 23, 2026: Jessi Whaley pleaded guilty in federal court.
October 5, 2026: Jessi Whaley was sentenced to 20 years in prison.
Legal Context
This case follows the established precedent of imposing significant federal sentences under the Distribution of a Controlled Substance Resulting in Death statute. Such prosecutions reflect a broader trend of federalizing overdose investigations when potent synthetic opioids are involved.
The conclusion of this case highlights the severe legal consequences for the distribution of illicit substances in the Sioux Falls area. Local residents can anticipate continued federal scrutiny regarding opioid-related deaths.
The takeaway
The court's ruling serves as a stern reminder of the life-altering consequences associated with the distribution of synthetic opioids. This outcome underscores the commitment of federal authorities to hold individuals accountable for fatal drug-related incidents.
Further reading
Learn more about local enforcement efforts in the Drug Crime section.
