According to CBP, there were about 100,000 "encounters" on the southern border this past June, which is a 42% decline from the month before and the lowest since

According to CBP, there were about 100,000 "encounters" on the southern border this past June, which is a 42% decline from the month before and the lowest since February, 2021: https://www.cbp.gov/newsroom/national-media-release/cbp-releases-june-2023-monthly-update https://www.cbp.gov/newsroom/national-media-release/cbp-rele... (It's not immediately clear to me whether an intercepted group counts as one "encounter," or if each individual in the group gets logged as a separate "encounter." My hunch is that it's the latter.) 100-150k/month * 36 months = between 3.6 and 5.4 million individuals since Trump left office, which would make up a significant chunk—but not the majority—of the 21 million DNA profiles. (For context, this is about the population of Dallas, TX or San Diego, CA entering the country illegally per year: https://en.wikipedia.org/wiki/List_of_United_States_cities_by_population https://en.wikipedia.org/wiki/List_of_United_States_cities_b...)