 The number of migrants who are being released into the U.S. interior with court notices, that historically has been viewed by officials, Republican and Democrat alike, as a pull factor that attracts unauthorized migration. Because, as you know, once someone is released, they typically are able to stay and live in the country and work here for years because of how backlogged the immigration system is. CBS News immigration and politics reporter Camilo Montoya-Galvez tonight.