Federal immigration officials are reexamining green cards issued to people from 19 countries considered “high-risk” at President Donald Trump’s direction.

The decision, announced Nov. 27 by United States Citizenship and Immigration Services, comes in light of the deadly shooting of two National Guard members by a suspected gunman who is an Afghan national.

“At the direction of @POTUS, I have directed a full scale, rigorous reexamination of every Green Card for every alien from every country of concern,” USCIS Director Joseph Edlow said on X.

USCIS said it issued new guidance for “negative, country specific factors” to be considered when vetting people from 19 countries.

In other words, the government could try to remove legal status of people with green cards from those countries for reasons related to their country of origin rather than anything they personally have done.