"In any case that you have a young person that in essence plans to take a video game approach to killing people at school, you have to take a close look at the mental health issues," he said. "And the process will certainly provide for that once he's represented by counsel."
Phone listings did not appear to be available for either of the boy's parents to reach them for comment Saturday.
The Associated Press was not able to determine who would represent the boy in court.
The district attorney said it did not appear the teen was targeting a specific person or group of people. He said Acord will likely be arraigned Tuesday in Benton County Circuit Court in Corvallis.
"I can't say enough about how lucky we are that there was an intervention," the district attorney said. "When I look at the evidence in the case, I shudder to think of what could have happened here."