(Gresham, OR)  --  Police are searching for a suspect in connection to a drive-by shooting that injured two in Gresham.  Police say 32-year-old Portland resident John Summers and 47-year-old Gresham resident Mary Whitemore were shot Saturday at Burnside and 199th Avenue.  Both victims were taken to a hospital and have since been released.  The suspect was seen driving a dark-colored sedan.