(Clackamas County, OR)  --  Authorities are looking for a man accused of stabbing a Clackamas County man to death.  Matthew Nelson Timmons, of Milwaukie, was found dead inside a home near Rex Putnam High School in Portland Tuesday night.  Police have declared 51-year-old Dean Boettcher, Timmons's roommate, as the primary suspect and consider him armed and dangerous.  He may be driving a 2010 cream-colored Mini Cooper with the license place 399-JHL.