Police said the 23-year-old victim was walking through an alley in the 5500-block of South Mozart Street around 3:15 p.m. when a man in a black minivan approached her. The man got out of the van, pushed the victim in through the side door, then drove further down the alley and sexually assaulted her, police said.
The man then told the victim to get out and drove southbound to exit the alley, according to police.
Police described the suspect as a Hispanic man, 45 to 49 years old with a medium complexion, 5 ft. 5 in. to 5 ft. 6 in. tall and about 200 lbs. Police said the suspect was wearing a black t-shirt and dark gray sweatpants, and has a tattoo of two red lips on the side of his neck.
Police described the suspect's vehicle as a minivan of unknown make or model, black exterior and interior, with no rear seats and a sticker of a white chubby man in the driver's side window.
If you have any information about the suspect or incident, contact Area Central Detectives at 312-747-8380.