RGV Agents Continue Apprehending Illegal Aliens in Groups of 100+ RGV Agents Continue Apprehending Illegal Aliens in Groups of 100+ Release Date: February 24, 2021 EDINBURG, Texas – Rio Grande Valley Sector (RGV) Border Patrol agents encounter another large group of illegal aliens. Yesterday, McAllen Border Patrol Station agents working near Mission, Texas, with the assistance of air units from CBP’s Air and Marine Operations encountered a group of more than 100 illegal aliens comprised mainly of family units (FMUA) and unaccompanied alien children (UAC). Agents determined the subjects are citizens of El Salvador, Honduras, Guatemala, Cuba, and Nicaragua. RGV agents continues to experience an influx of illegal aliens crossing daily into the United States. RGV agents have apprehended nearly 13,500 FMUAs and UACs in a four-month period since the start of the fiscal year in October.