>> i was with raised in mesa, arizona, almost my whole life. i know nothing but this country, so i consider this my home. >> reporter: the trump administration announce plans to phase out the program back in 2017, but federal courts blocked their effort. the trump administration has long said it believes president obama never had the right to impose the policy in the first place and if daca should be kept, it's up to congress to pass the legislation. the president tweeted last month writing, quote: if the supreme court upholds daca, it gives the president extraordinary the or powers, far greater than ever thought. but critics of the president's decision say ending daca is cruel and unnecessary. daca is believed to impact some 800,000 people nationwide. we heard from the attorney general of california recently, he addressed the upcoming case. >> the president's decision to end daca and put all of those things at risk was not only imlegal, it ran contrary --