article_snippet: Sheriff Newell Normand said earlier that investigators hadn't been able to talk to White, who officials said suffered from some type of mental illness.
article_snippet: Normand said their intended purpose wasn't clear.
article_snippet: Normand said "there is a mental illness component" in their investigation of the suspect.
article_snippet: No one at this point in time has any notion about what may have triggered this behavior," Normand said.
article_snippet: And not unlike dealing with the mentally ill, sometimes you will never know what actually triggers some of this type of behavior.