Chicago aviation police officer Angela Brown, 47, accused of transporting heroin to Milwaukee

A Chicago aviation police officer who works at O'Hare is accused of transporting heroin to Milwaukee.

Angela Brown, 47, faces a charge of possession with intent to deliver.

ABC7'S Milwaukee sister station is reporting Brown worked as a mule for a Chicago drug kingpin.

The station's source says for the past six months, Brown has been driving heroin to Milwaukee before she was arrested Wednesday.

She was reportedly tracked by a GPS device placed on her car by narcotics agents.