The shooting happened Saturday at about 6:58 p.m. in the 7100-block of S. Campbell Avenue, police said.
Three people, a 37-year-old woman, a 15-year-old boy and a 17-year-old girl were outside when a light-colored sedan approached and someone started to shoot.
The 37-year-old was shot in the head, right hand and left wrist; she was taken to Christ Hospital in critical condition.
The 15-year-old was shot in the neck; he was taken to Comer Children's Hospital where he was listed in "good" condition.
The third victim, the 17-year-old, was shot in the right knee and was taken to University of Chicago Medical Center; also in "good" condition.
CPD said the car drove off southbound on Maplewood.
No other information was available.
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