The driver, a 30-year-old man was providing a ride service around 1:55 a.m. in the 900-block of 91st Street in the Burnside neighborhood.
At some point after picking up the passenger, the passenger shot the driver in the back of the neck, according to police.
The car then crashed into a parked vehicle.
The driver was taken to U of C in critical condition.
READ ALSO | Chicago shootings: At least 13 shot, 5 fatally, in weekend gun violence across city, police say
Police did not provide a description of the shooter.
No one is in custody. CPD Area Two detectives are investigating.
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At least 13 people have been shot, five fatally, in gun violence across Chicago so far this weekend, police said.