started seeing families dropped off, including, you know, children, most under the age of 5 and some as young as 3 and 6 months old. >> reporter: senior obama officials telling cnn the children are trying to cross the southwest border in droves and trekking from guatemala, honduras and el salvador. tens of thousands posteriuring the united states they are particularlily going to texas. three military bases they say will handle some of the overflow. the last week, buses of immigrant family groups arrived in arizona in record numbers. about 1,000 were children. processing facilities were at capacity so the federal government was forced to find other options for the immigrants. a move that is outraged arizona governor jan brewer who released a statement saying dhs was transporting thousands of illegal people.