Martha Gutierrez hasn't been seen since authorities discovered the bodies of her 11-year old daughter, Lucero, and 27-year old son, specialist Abel Gutierrez.
Family and friends say they won't stop looking for the missing mom unitl they find her. Search crews found no signs of her Saturday.
Relatives say specialist Gutierrez was suffering from post traumatic stress disorder.
Specialist Gutierrez did two tours in the Middle East. A Washington National Guard spokesperson said the last tour was voluntary. It was also learned that he took part in a military training exercise just this month.
Based on evidence found in his car, police believe Gutierrez may have shot his mother and left her for dead somewhere.
Anyone with information about the crime or the whereabouts of Martha Gutierrez is asked to call the Gilroy Police Department at (408) 846-0350.