Which federal prosecutions connected to Kansas resulted in convictions and what penalties were imposed?

Checked on January 31, 2026
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Executive summary

Federal prosecutions tied to Kansas that resulted in reported convictions include the high-profile National Firearms Act prosecutions of Shane Cox and Jeremy Kettler, whose convictions for unregistered weapons-related offenses were upheld on appeal by the 10th U.S. Circuit Court of Appeals (AP reporting) [1]. Available reporting confirms convictions but does not provide specific sentencing lengths or fines in the sources provided here, requiring caution before asserting precise penalties in those cases [1].

1. The case that anchors most federal–Kansas reporting: NFA convictions for Cox and Kettler

The clearest documented federal convictions connected to Kansas in the provided reporting are for Shane Cox and Jeremy Kettler: Cox was convicted of making and marketing unregistered firearms, and Kettler was convicted of possessing an unregistered gun silencer; both men appealed constitutional and state-law defenses and the 10th Circuit upheld the convictions [1]. The men had argued that a Kansas statute — the Second Amendment Protection Act — shielded in-state manufacture, sale and possession of firearms from federal regulation, and they also raised broader constitutional challenges to the National Firearms Act; the appeals panel rejected their defenses and did not decide the state-law provision’s constitutionality in that ruling [1].

2. What penalties were reported (and what the reporting does not say)

The AP coverage in the material provided reports conviction types and the appellate outcome but does not specify the criminal sentences, fines, asset forfeitures, or any mandatory minimums handed down to Cox or Kettler in district court; therefore, the available reporting cannot authoritatively list the penalties imposed on those defendants [1]. To assign precise penalties for these specific prosecutions would require consulting district-court judgments, the U.S. Sentencing Commission records, or contemporaneous sentencing reports not included among the supplied sources [1].

3. How federal penalties generally work and why that matters for Kansas-linked federal cases

Federal convictions often carry mandatory minimum sentences, steep fines, and asset-forfeiture exposure depending on the statute charged; federal drug trafficking offenses, for example, can trigger statutory forfeiture of personal and real property under 21 U.S.C. § 853 and carry escalating prison terms and fines with repeat convictions [2]. More broadly, federal prosecutions — including firearms, drug trafficking and fraud matters — can yield years in federal prison and significant monetary penalties, and enhancements (for firearms, conspiracies or offenses near schools) can increase those penalties [3] [2].

4. State versus federal sentencing regimes: context for interpreting outcomes

Kansas has its own sentencing grids and sentencing framework for state felonies that differ from federal sentencing rules; Kansas uses separate grids for non‑drug and drug felonies and prescribes state sentencing ranges and options such as prison, community corrections or fines under state law [4] [5]. That distinction matters when a defendant in Kansas faces federal charges: state sentencing guidance does not govern federal punishments, and reliance on state statutory claims — such as arguing state law immunizes conduct from federal prosecution — was specifically rejected as a defense in the Cox/Kettler appellate outcome reported [1] [4].

5. Alternative perspectives and implicit agendas in the reporting

The AP story frames the convictions within a larger political dispute over Kansas’ Second Amendment Protection Act and federal authority, and it notes Kansas intervened to defend its state statute — an implicit political and legal agenda that may shape public perception of the prosecutions [1]. Defendants advanced constitutional challenges to federal power and argued reliance on state law, while the appeals court focused on the validity of federal enforcement of the NFA; the reporting does not include the government’s sentencing rationale or the defendants’ post‑conviction statements, leaving a gap that could shift interpretation depending on additional sources [1].

6. Reporting limits and what’s needed for a complete inventory of Kansas‑connected federal convictions and penalties

The supplied reporting identifies convictions and an appellate ruling but does not offer a comprehensive list of all federal prosecutions tied to Kansas nor the sentence details for those cases; constructing a full inventory with penalties would require additional records: federal dockets, sentencing orders, U.S. Attorney press releases, or U.S. Sentencing Commission data not present in the sources provided [1] [3] [2]. Absent those records, the only documented federal convictions in this set of sources are the NFA convictions of Cox and Kettler and the appellate affirmation of those convictions [1].

Want to dive deeper?
What were the district-court sentences and fines for Shane Cox and Jeremy Kettler after their convictions?
How has the Kansas Second Amendment Protection Act been used in federal litigation and what have courts ruled about it?
Where can one find a comprehensive list of federal convictions of Kansas residents and the penalties imposed (dockets, U.S. Attorney releases, Sentencing Commission)?