Although the crime of treason may sound outdated, it remains on the books in Illinois. In Article 30 of the Illinois Criminal Code, legislators describe the crime of treason, a Class X felony for which a natural life prison sentence is likely imposed. Any person who owes allegiance to the State of Illinois and then levies war against the state or aids its enemies may face these charges.
Lawmakers also discuss two similar crimes in this section: misprision of treason and advocating overthrow of government. The former simply refers to the act of concealing knowledge that someone else is committing treason, a Class 4 felony. The former prohibits anyone from advocating for or organizing around the overthrow of the States current government by violent or unlawful means. A conviction of this crime carries a Class 3 felony status.
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The text below comes from Article 30 of the Illinois Criminal Code of 1961. This law may have changed -- please read the important legal disclaimer at the bottom of this page.
DISCLAIMER: These excerpts from the law are provided for reference purposes only. Visitors to our Chicago criminal defense lawyer website should be aware that Illinois criminal laws have been amended many times and that Illinois crime laws posted on this site may not be current. In addition, Illinois criminal case law defines precedents for legal determinations that are not defined in the original laws.