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Jessica J. Koester

Jessica J. Koester is the founding attorney of The Law Office of Jessica Koester, LLC in Edwardsville, Illinois. Since 2002, she has focused her practice on criminal defense, federal crimes, and juvenile law. Ms. Koester is admitted to the Illinois State Bar and earned her J.D. from Notre Dame Law School in 2002. Her work has been recognized by Super Lawyers and the National Trial Lawyers, among other organizations, for her contributions to the field of criminal defense.

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LATEST ARTICLES BY: Jessica J. Koester

Illinois DUI Laws and Penalties – All You Need To Know
Illinois DUI Laws and Penalties – All You Need To…
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Last Modified on Sep 02, 2025

Anyone operating a motor vehicle under the influence of drugs or alcohol may be charged with…

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Illinois Gun Laws – All You Need to Know
Illinois Gun Laws – All You Need to Know
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Last Modified on Jul 22, 2025

Millions of law-abiding Illinoisans own one or more firearms, with many citing recreation and self-defense as…

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When Does a Fight Escalate to an Aggravated Assault Charge?
When Does a Fight Escalate to an Aggravated Assault Charge?
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Last Modified on Jun 13, 2025

Not every fight leads to an aggravated assault charge. However, certain actions or circumstances during a…

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Understanding Conspiracy Charges in White-Collar Crime Cases
Understanding Conspiracy Charges in White-Collar Crime Cases
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Last Modified on Jun 13, 2025

White-collar crimes often involve more than a single individual. When people orchestrate a crime as a…

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How constructive possession can lead to drug charges in Illinois
How constructive possession can lead to drug charges in Illinois
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Last Modified on Jun 13, 2025

Many people believe they can only face drug charges if police catch them with drugs in…

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How Much Does a DUI Cost in Illinois?
How Much Does a DUI Cost in Illinois?
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Last Modified on Feb 11, 2026

Getting charged with driving under the influence (DUI) in Illinois brings more than just a temporary…

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How does intent affect federal drug charges?
How does intent affect federal drug charges?
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Last Modified on Jun 13, 2025

In federal drug cases, intent plays a major role in shaping the outcome. Whether you’re facing…

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Accused of home invasion in your own home?
Accused of home invasion in your own home?
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Last Modified on Jun 13, 2025

Homeownership doesn’t always shield you from legal troubles. Surprisingly, you can face home invasion charges on…

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How honest mistakes can lead to mail fraud charges
How honest mistakes can lead to mail fraud charges
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Last Modified on Jun 13, 2025

Think about all the mail your business sends out—ads, customer letters, product information and more. Sometimes,…

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Aggressive Criminal Defense In State And Federal Court

In state and federal court from an experienced trial attorney.

Get Started On Your Criminal Defense

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