Leblanc is talking about the CBP One app, which is a part of the new process of asylum for Haitians, Nicaraguans, Cubans and Venezuelans. In order to claim one of the 30,000 monthly humanitarian parole spots at the U.S. border, they must be legally in Mexico, or any other country they went through — especially Panama.

https://spectrumlocalnews.com/tx/south-texas-el-paso/news/2023/01/26/haitian-migrants-must-legally-be-in-mexico-to-claim-asylum-in-the-u-s-