for. and at this time we're pretty confident with our searches of the building, both through live canine and human remains detection canines as well as detection equipment and the owner's efforts at looking for the unconcluded for, members of his company, we are confident that there is no other people that remain in this structure. >> so how much longer will your team work on this site? >> we're going to finish up our operational period this evening at 7:00. we're going to have a brief at 7:00 to look and see where we're at. we may maintain 24-hour operations continued partially into the night with lexington fire and louisville fire personnel that will assist the contractor that's on site to help clear additional debris.