Chinese migrants flock to U.S. border, driven by economic pressures

JACUMBA, California -- The number of Chinese migrants detained while attempting to enter the U.S. via Mexico has multiplied, with the desperate economic situation back home a major driver, interviews at a holding encampment in southern California show.

"We spent two and a half days walking through a rainforest -- two and a half days," said a 10-year-old boy who proudly recounted his family's life-or-death journey before crossing into the U.S. at dawn on Feb. 4.