A 60 YEAR-OLD MAN HAS PLEADED NOT GUILTY TO KILLING HIS FAMILY BACK IN 1990. RAMON ESPARZA RIOS, WHO WAS EXTRADITED FROM MEXICO 2 WEEKS AGO, IS CHARGED WITH SHOOTING AND KILLING HIS 12 YEAR-OLD SON, HIS WIFE, AND HIS NEPHEW, WHILE THEY WERE IN THE FAMILY’S MOBILE HOME ON THE SILVA RANCH OFF BITTERWATER ROAD NEAR KING CITY. RIOS IS SCHEDULED TO BE BACK IN A MONTEREY COUNTY COURTROOM NEXT TUESDAY.