Legal experts and researchers say incoming President Donald Trump's promised mass deportations could actually end up undermining goals of public safety and national security.

PHOENIX — Attorney General Kris Mayes announced today that she is joining a multistate federal lawsuit challenging President Donald Trump’s unconstitutional order attempting to unilaterally strip citizenship from citizens across the United States, including thousands of babies born in Arizona each year.

Mixed-status families in Arizona face fears of separation. A Donald Trump presidency could exacerbate that. Nationwide, 22 million people live in mixed-status households, including over half a million in Arizona, according to estimates from FWD.us, an immigration advocacy group.