Case DIH-0298
Richard J. Klemis
Sold heroin to dozens of O'Fallon high school students while living with his mother; heroin he sold killed a 19-year-old in February 2011. The judge called him a predator who supplied teenagers at parties.
- Court
- Federal, Southern District of Illinois
- State
- Illinois
- Year of death
- 2011
- Year sentenced
- 2015
- Drugs
- Heroin
- Conduct
- Commercial sale
- Relationship
- Not reported
- Conviction
- Nine federal charges (death resulted)
- Plea or trial
- Trial
- Sentence
- 240 months imprisonment
- Found through
- Federal DOJ release search 2010–2026
This was a federal prosecution. For what Illinois’s own law says about deaths caused by supplying drugs, see Illinois in the state law guide.
Sources
- justice.govBritish man sentenced 20 years ofallon high school student s overdose death
Sources checked 8 October 2026. If something here is wrong or out of date, please tell us.