new collapses complicate the formidable task. august 12th, the miners' families have set up camp on the surface to keep watch on the drilling. a week has passed and an official says there is little chance the men survived. relatives later say they argued with that assessment from the start. >> translator: i always told the media, every time i was asked, i know my husband is fine. i know he's alive. and i know he's keeping up all the others in the mine, because that's the kind of person my husband is. >> reporter: franklin lobo's sister magdalena never loses hope for a minute. >> translator: i had a call at home and i was told frankie was gone. i said no, no. frankie's alive. they're alive and god's going to get them out of there. >> reporter: even as authorities hint the search may need to wind down, the families are sending a clear message. keep looking.