Sponsors are willing to take children in, but now they themselves are being deported:
https://www.theguardian.com/us-news/2018/sep/21/ice-arrests-undocumented-immigrants-sponsoring-migrant-children
Meanwhile, refugees fleeing violence -- who have been LEGAL candidates for asylum -- are now being turned back:
https://www.nytimes.com/2018/06/11/us/politics/sessions-domestic-violence-asylum.html
Now DHS has submitted a new rule that would deny green cards to LEGAL immigrants:
https://www.nbcnews.com/politics/immigration/trump-admin-rule-would-deny-visas-green-cards-immigrants-who-n910791
The National Immigration Law Center will provide guidance once the rule opens to public comments. This thread has more info:
https://twitter.com/NILC_org/status/1043623380413554691
Here's a history of how US involvement in Latin America helped cause this crisis:
https://www.vice.com/en_us/article/qvnyzq/central-america-atrocities-caused-immigration-crisis