Gangs are responsible for much of the criminal violence in El Salvador, Guatemala and Honduras.
A U.S. citizen is to be deported following several weeks living at a Colombia airport.
As news came over the weekend that Panama would carry out another airlift to Mexico for 3,800 unauthorized Cuban migrants there, hundreds of migrants from across Africa remain in Costa Rica with no way forward.
The U.S. Supreme Court's ruling on President Barack Obama's deportation relief plan is due by late June.
Advocacy groups in the U.S. are advising Central American immigrants who have entered the country illegally in recent years on how to avoid deportation.