Continuation of a pattern of large groups of asylum seekers coming across near remote crossings and immediately getting detected was this group of 100+ near Lukeville

U.S. Border Patrol agents detain a group of 103 migrants near Lukeville

U.S. Border Patrol agents assigned to the Ajo Station in southwest Arizona found 103 Central Americans in the desert west of Lukeville on Monday.

The Arizona Republic

Not long ago was another group of 242

242 people, including families & children, cross into U.S. near Lukeville

In the last week, more than 400 people from Central America have turned themselves over to Border Patrol agents in Arizona after crossing the U.S.-Mexico border, part of a dramatic shift that began last fall and has continued throughout the fight over new border barriers in Washington.

TucsonSentinel.com

These look like a direct effect of using “metering” to limit the more populated crossings. While some think a wall might make a difference here, I suspect this is more an example that different methods will simply adjust to circumstances.