(CBS) — A 19-year-old Chicago man appeared in court today and is being held on $100,000 bond after being charged with aggravated assault and battery to an Oak Brook police officer.

It was a week ago when police say 19-year-old Devin Dawson and at least two other people tried to walk out of a Home Depot in Oak Brook Terrace with some merchandise they didn’t pay for.

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Store personnel chased them and authorities say so did a plainclothes Oak Brook police officer who confronted Dawson as he was behind the wheel of a van in the parking lot.

“The offender continued to accelerate,” said DuPage County State’s Attorney Robert Berlin. “He then made a sharp turn which caused the detective to be thrown to the ground. And fortunately the officer is OK. He was treated for his injuries.”

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Berlin says Dawson was arrested four days later, which was last Sunday.