United States Government Glossary of Interagency and Associated Terms/accounted for

by Federal Government of the United States

accounted for - (A) the person is returned to United States control alive; (B) the remains of the person are recovered and, if not identifiable through visual means as those of the missing person, are identified as those of the missing person by a practitioner of an appropriate forensic science; or (C) credible evidence exists to support another determination of the person's status.

(SOURCE - DOD, US Code 10, §1513)