5 background checks an employer might be able to use: Reference checks, Employers often do reference checks. Background checks in Chicago may include data from Cook County or records at the state level, searching all Illinois courts.A background check report includes critical information about a job applicant, including their professional history, criminal records and education credentials. An employer or employment agency may not inquire about or into, consider, or require disclosure of the criminal record or criminal history of an applicant. Apply to Agent, Laborer, Delivery Driver and more! HireRight is a leading global provider of on-demand employment background checks, drug testing, Form I-9 and employment and education verifications.