(Portland, OR)  --  Police are searching for a hit-and-run suspect accused of crashing into a pedestrian and killing her in Hillsboro.  Police say the woman was walking with a man on Cornell Road at Northeast 17th Avenue Saturday night when the driver struck them both.  The driver then allegedly kept going.  The woman was pronounced dead at the scene, while the man was hospitalized for non-life-threatening injuries.  The suspect vehicle is described as a white van.