Alert issued following 3 separate attacks

February 20, 2009 4:16:46 AM PST
Chicago police are looking for a man behind three incidents where victims were robbed. In one incident, the victim was assaulted.Police say the crime spree started February 13 in the 2100-block of West Gladys in Chicago. Investigators say the offender forced the victim to drive to an ATM and withdraw cash.

A second incident happened two days later at 700 North Damen. This time the offender reportedly jumped in the victim's car, demanded money and forced the victim to drive around while he threatened to sexually assault her.

The third incident happened February 17 at 1400 West Fulton. Police say the offender demanded the victim's property and sexually assaulted her.

Police only have a vague description of the suspect and are not offering a sketch at this time.