Mullin, Blanche: 146,000 Migrant Children Missing Since Biden Years Found: The Trump administration said Thursday it has located 146,000 unaccompanied migrant children who crossed the U.S.-Mexico border during the Biden administration and were later released to sponsors, while nearly 300,000 children remain unaccounted for. #MigrantChildren #Immigration #BorderCrisis #UnaccompaniedMinors #ChildWelfare