CHICAGO (CBS)– Chicago police are warning of more than a dozen catalytic converter thefts on the West Side.

There have been 32 incidents since December 7.

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Most of them are happening overnight in the 4th District near Oak Park and Garfield Park.

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Three to four people work to raise the vehicle and then cut the converter.

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Mitsubishi Outlanders were most targeted vehicle.

CBS 2 Chicago Staff