Eugene Police Violent Crimes Unit is investigating a homicide that occurred in the 1900 block of Patterson. The victim, Marissa Nevills, age 34, of Eugene, was stabbed. Investigators are looking for a white male in his 20s to 30s, last seen in a white sedan with Washington plates. Anyone with information is asked to contact Detective Jeff Roth, at (541) 682-5569. There is no indication of any ongoing threat to the public.