Illinois Bureau of Criminal Investigations


The responsibility of the Bureau of Criminal Investigation is the enforcement of revenue related laws.
Special agents handle a wide range of investigations, including those involving tax fraud, tax evasion, and other acts that circumvent revenue laws. Examples of these investigation for the various taxes administered by the department include:
The special agents who staff the Bureau of Criminal Investigation are sworn peace officers. They are required to have a four-year college degree plus complete a 12-week police academy and required courses. Agents also attend in-service training and are required to meet firearms qualifications.
These highly trained, law enforcement personnel work mainly with white-collar crime. As investigators, they develop and evaluate evidence. They often work closely with federal, state, county, and local law enforcement agencies and make arrests, conduct searches and seizures, and participate in raids. Their expertise in financial crime investigations is often sought by other law enforcement agencies.