Douglas Station agents stopped a truck with fake license plates and a large group of migrants, according to Border Patrol Tucson Sector Chief John R. Modlin.On Wednesday, agents stopped a pickup truck near Douglas, Ariz.Chief Modlin says two children were among the group of 13 migrants.A field training unit from Ajo Station arrested four people, according to Chief Modlin.The Unit found the SUV Tuesday evening, on FR-1, writes Chief Modlin.While investing the vehicle, agents noticed a foot underneath a blanket.A total of three migrants were arrested, along with a U.S. citizen who was driving the SUV.