(Eugene, OR)  --  The former police officer accused of killing his ex-wife and underage girlfriend in Washington state and then abducting his one-year-old child is dead following a pursuit with Oregon State Police.  Police say Elias Huizar died from a self-inflicted gunshot wound yesterday following a car chase that ended when Huizar crashed into a semi on I-5 south of Albany.  The one-year-old boy in the car was unharmed and placed with child protective services.  Huizar was accused of killing his ex-wife at the school where she worked in Washington's Tri-Cities on Monday, and the body of his underage girlfriend was found near the school shortly after.  Huizar was due in court on Monday on charges of raping a teenage girl.