The incident, which started in Dearborn, ended in southwest Detroit at West Vernor and and Cabot.
Police say that’s where the victim got out of his car and confront the other driver. That’s when the other driver pulled out a gun and fired a shot.
The 18-year-old, who is described as a male of Middle Eastern descent, was killed.
The other driver fled the scene. Police have not yet released a description of either him or his vehicle. Please call Detroit Police if you have any information.