Illinois Secretary of State Alexi Giannoulias' office is investigating whether other Illinois police departments are breaking a state law that bars them from sharing data with outside agencies tracking people for their immigration status or for seeking an abortion.

Illinois Secretary of State Alexi Giannoulias has asked for an investigation into a suburban Chicago police department for allegedly sharing data from automatic license-plate readers with a Texas sheriff seeking a woman who had an abortion.

Illinois Secretary of State’s office says license plate reader data has been used illegally by law enforcement,