(Portland, OR)  --  A Portland man is facing charges in connection to a hit-and-run crash that killed an elderly woman in northeast Portland.  Court records show Jaime Mendoza Chavez pleaded not guilty late last week to negligent homicide and failure to perform the duties of a driver.  Police say he struck and killed 82-year-old Sandy Bosch near North Fessenden and Polk Streets in early April.