(Portland, OR)  --  Police are searching for a person of interest in connection to a shooting in Wilsonville.  The Clackamas County Sheriff's Office released a sketch yesterday of a man they're looking to question for the shooting Friday night at Memorial Park.  One person was injured in the shooting and remains hospitalized.  Police describe the person of interest as a 17- or 18-year-old man about five-foot-eight-inches tall with black spiked hair.