On Tuesday, the Trump administration is set to announce that refugees from all countries will be allowed to enter the United States, but only after they’ve undergone a new and stricter vetting process.

Under the new rules, the administration will collect more biographical data, such as names of family members and places of employment, officials said. The administration will also do more to mine social media posts to see, for instance, if refugees’ public pronouncements are consistent with the stories they offer in their applications, the officials said.

In addition, officials who do the screening at the U.S. Citizenship and Immigration Services agency, which is part of the Department of Homeland Security, will be given new guidance and better training aimed at detecting fraud on the part of applicants, one person said.

The announcement comes after Trump declared a travel ban on all refugees from select majority-Muslim countries earlier in the year.

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