276 Migrants Apprehended in Two Groups Crossing Border into Texas 7 Apr 2021 Rio Grande Valley Sector agents apprehended two large groups of migrants at separate locations along the Texas-Mexico border. The near-simultaneous crossings resulted in the apprehension of 276 migrants, including family units and unaccompanied minors. Rio Grande City Station Border Patrol agents working the Rio Grande near Roma, Texas, on Tuesday received information about a large group crossing the border, according to information obtained from Border Patrol officials. As the agents arrived on the scene, they observed a group of 145 migrants who had just crossed the Rio Grande from Mexico. Rio Grande City Border Patrol agents apprehended 2 groups totaling 276 illegal aliens.