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Decatur Police Criminal Investigations Division

Commanding Officer
Lieutenant Shannon Gutierrez-Seal

Lieutenant Gutierrez-Seal
Email Lt. Shannon Gutierrez-Seal
(217) 542-3515

The Decatur Police Department’s Criminal Investigation Division is under the direct command of Lieutenant Shannon Gutierrez-Seal, a 20 year veteran of the Decatur Police Department.

The Criminal Investigations Division consists of a combined total of 50 sworn / civilian employees; responsible for the investigation of general crimes, vice crimes, juvenile crimes, covert investigative assignments, intelligence gathering, sex offender registration, fugitive apprehension and terrorism related criminal investigations.

The Criminal Investigations Division consists of three investigative branches; Adult Investigation Unit, Juvenile Investigation Unit and Street Crimes – Narcotics Unit. Providing intelligence to each these three above units, as well as the Patrol Division, is the Crime Analysis Unit.