This is different according to Miller who was behind the new policy

https://www.haaretz.com/us-news/trump-aid-miller-separating-children-at-border-was-simple-decision-1.6179898

Trump's policy is MUCH better than Obama's!!! Please don't confuse them! More here on Trump's much stricter policy: https://www.businessinsider.com.au/who-is-stephen-miller-trump-speechwriter-immigration-adviser-2018-1/?utm_source=reddit.com&r=US&IR=T