Recently, Martin Lawler has been working on the case of Isabel Bueso, a Guatemalan immigrant who came to the United States to receive treatment for a rare disease, but who may be forced to leave the country because of recent rule changes from USCIS. 

You can read more about Isabel here: 
https://people.com/politics/isabel-bueso-truth-real-story-2019-deportation-treatment/

If you would like to help out with this cause, please visit Isabel's Change.org petition: https://www.change.org/p/save-isabel