CHICAGO (CBS) — The Department of Justice is getting involved in the fatal police shooting of a teen in Waukegan.

An officer shot into a car and killed 19-year-old Marcellis Stinnette Tuesday during a traffic stop. His girlfriend was also wounded.

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The officer says the car was backing into him.

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The Lake County State’s Attorney asked federal agents to help with an independent investigation. He urged calm until the process is complete.

CBS 2 Chicago Staff