Police say she sent a text message to a friend alerting him about a strange customer moments before she was abducted.
The sketch is based on the victim's description of the suspect who managed to escape.
The attacker is a man who is about 40 years old. He is described as about 5 feet 9 inches tall -- weighing 200 to 220 pounds with black hair and a mustache.
Palos Heights police are asking anyone with information about this incident to please give them a call.