Three people were shot early Sunday in the Austin neighborhood on the West Side.
Shots were fired outside of a party in the 100 block of North Latrobe about 3:40 a.m., police said.
A man, 30, was shot in the chest and back and taken to Mount Sinai Hospital in serious condition, police said.
A 29-year-old woman suffered a graze wound and was taken to Loretto Hospital, where her condition was stabilized, police said.
A third victim, a 24-year-old woman, was shot in the left pinky finger and listed in good condition Rush Oak Park Hospital.
A police source said the man is a documented gang member.