Today the Seattle Police Department released a sketch of the suspect in the August 31st shooting at 15th Ave NE and NE 75th St. Updated information on the car seen fleeing the scene was also released.
The car type has been narrowed down to a silver 2002-2008 BMW Z4 convertible with a black interior:
The SPD Blotter post also included this description of the shooting:
Detectives are releasing an additional detail in this investigation: For reasons that are still unknown, the murder suspect was so enraged at Yancy Noll that he pulled up alongside him in the oncoming traffic lanes as Noll was stopped for a red light facing southbound on 15th Avenue NE where it intersects with NE 75th Street. The suspect then shot at Noll multiple times with a handgun and in the process shot out his own passenger window. The suspect was last seen speeding away down 15th Avenue NE.
Anyone with information about this incident (identity of the shooter and/or his vehicle) should call 911 or the Seattle Police Homicide Tip Line at (206) 233-5000. Anonymous tips are welcome.