NORFOLK, Va. (WVEC) -- Eric Brown, the Navy veteran accused of kidnapping and killing 19-year-old Ashanti Billie, was ordered to spend the next month under the care of a government psychiatrist, according to court documents.

The request came from prosecutors. On Friday, a federal magistrate ordered Brown to be evaluated.

The evaluation is expected to assist in determining if Brown is competent to stand trial.

READ MORE: Feds: Accused Ashanti Billie killer needs mental exam

In the motion filed by prosecutors in federal court, the U.S. Attorney's Office wrote a mental evaluation is necessary because of the defendant's "documented irrational behavior and statements."

SEE ALSO: Autopsy: Ashanti Billie's death caused by undetermined trauma

The motion also cites that his evaluation will not exceed a period of 30 days.

Motion granted for Eric Brown to undergo psychiatric evaluation by 13News Now on Scribd