immigration-migration enforcement measure. the decision on when to lift title 42 was made by the cdc >> reporter: but even before the announcement was made, pastor albert rivera, who runs the migrant shelter, was already building an expansion to eventually house 1,200 asylum seekers. >> some of them have been waiting a year and a half for a permit just to come to the border here because they want to apply, do it legally. >> reporter: seeking asylum in the u.s. is a legal right, but with ports of entry not processing most asylum seekers due to title 42, some say they have no option but to cross illegally to try to make their claim. norah. >> manny bojorquez on the border, thank you. to talk more about the crisis, homeland security secretary alejandro mayorkas joins us for an exclusive interview. mr. secretary, thank you so much. when title 42 is lifted, it could mean up to 18,000 more migrants every day. this will become an even bigger crisis. how is the department preparing