On March 17, 2023, two people were found shot to death near a vehicle in the area of Kempton and Brewer Roads in Rio Oso, California. Deputies located 40-year-old Elk Grove resident Vicky Keovilayphone inside a blue Ford Explorer and, about 50 yards away, the body of 40-year-old Yuba County resident Derrick James Engelman. Both were pronounced dead at the scene.

The Sutter County Sheriff’s Detective Unit led the investigation. On May 2, 2023, 49-year-old Dixon resident Fredil Donaldo Flores was arrested and charged with conspiracy and murder in connection with the deaths; he was booked into the Sutter County Jail with bail set at $1,000,000. Authorities have not released a motive or described the relationship, if any, between the victims and the suspect. Deputies thanked assisting agencies from Yuba, Solano and Dixon.

Anyone with information is asked to contact the Sutter County Sheriff’s Detective Unit at 530-822-0210 or email [email protected]. Did anyone in the area know Vicky or Derricks movements around March 17, 2023?