Police said the BMW was travelling north on Gratiot in Detroit when the passenger shot the driver. The car careened across the intersection of Seneca and struck a 56-year-old man walking across the street, police said.
The driver and pedestrian were in critical condition early this evening.
Police are searching for the passenger.
It was unclear this evening whether the men in the car knew each other. The motive also was unknown.
Got any information? Call the police department fatal squad at 313-596-1462 or Crime Stoppers at 1-800-SPEAK-UP.
Steve Neavling lives and works in Detroit as an investigative journalist. His stories have uncovered corruption, led to arrests and reforms and prompted FBI investigations.