Both sides in the talks face pressure to reach an agreement after past steps like limiting direct travel into Mexico or deporting some migrants failed to stop the influx.

Immigration has become one of the cornerstone issues of the 2024 campaign as GOP presidential hopefuls try to stand out as the toughest on both illegal and legal immigration.

Biden administration rules have one main legal pathway to seek asylum for migrants already at the border: a mobile app called CBP One. Immigrant advocates and immigration hardliners have objections.