Seattle Police have released a composite sketch of the man witnesses say pulled up beside Yancy Noll’s car on the night of August 31st and shot the 43-year-old to death in a case of suspected road rage. CHS reported on the ongoing flow of sightings and tips coming into police as detectives worked to track down the suspect’s BMW Z4 captured on surveillance video at the scene of the crime.

Noll, the wine steward at the Broadway Market QFC since 2010, was remembered by family, friends and customers this weekend in memorials near his Ravenna apartment and on Capitol Hill.

The SPD report on the composite sketch plus more information on the suspect vehicle is below.

Homicide detectives hope this composite sketch will help them zero in on the man that shot and killed Yancy Noll. This sketch is based on information taken directly from witnesses who observed the suspect fleeing the area. Detectives have also narrowed down the type of car that the suspect was driving as a silver 2002-2008 BMW Z4 converitble with a black interior. The attached pictures depict a 2002- 2008 BMW Z4 with both the top up and the top down. 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 or who may know the identity or whereabouts of the suspect or his vehicle is asked to call 911 or the Seattle Police Homicide Tip Line at (206) 233-5000. Anonymous tips are welcome. Anyone uncomfortable calling police directly is encouraged to call Crime Stoppers at 1-800-222-TIPS (8477).