The victims are the driver and passenger in a car rear-ended by a semi on US-127 Tuesday afternoon.
Police say the woman and her boyfriend had just left building when they were approached by the suspected shooter.
The three got into an argument and he pulled out a gun.
According to police the 35-year old woman was shot in the hip.
The suspect then took off.
Police say this shooting was not random.
2820 East Saginaw Street, Lansing, MI 48912