Arizona PBS July 21, 2021 A Border Patrol agent with a migrant who was caught near Naco in August 2020. Customs and Border Protection recorded almost 1.1 million border “encounters” in the first nine months of fiscal 2021, a potentially record-setting pace, but advocates there may be double-counting in those numbers. (Photo by Jerry Glaser/U.S. Customs and Border Protection) WASHINGTON – The number of migrants stopped at the Southwest border continued to surge last month, to the highest level for June in at least 20 years, but officials caution that those numbers could have been inflated by repeat attempts by the same people. Customs and Border Protection reported 188,829 “encounters” at the border for June, a 5% increase from May at a time when extreme summer heat typically drives border-crossing attempts down.