1.   Authorities have not yet determined their whereabouts.

2.   But he credited the GOP focus on the subject with motivating the Pentagon into quickly determining their whereabouts.

3.   Efforts to reach Atta or determine his whereabouts last week were unsuccessful.

4.   Vivanco said Mendez overcame amnesty laws shielding military officers suspected of atrocities and an often unresponsive judicial system in a fight to determine the whereabouts of her child.