What happens if and when caravan migrants cross the U.S. border?

What happens if and when caravan migrants cross the U.S. border? Under standard procedure, they're detained and asked if they’re afraid of returning. Those who say no are removed. Those who express fear of persecution or torture are interviewed for asylum https://t.co/TL7kru21TY

— Bloomberg Politics (@bpolitics) October 25, 2018

Source: Twitter