Media Summary: ABC News' Matt Rivers reports on what's behind the large increase of migrants trying to cross the southern U.S.- The number of unaccompanied minors in U.S. government custody has hit more than 15000 as The number of migrants arriving at the southern
Surge Of Illegal Border Crossings - Detailed Analysis & Overview
ABC News' Matt Rivers reports on what's behind the large increase of migrants trying to cross the southern U.S.- The number of unaccompanied minors in U.S. government custody has hit more than 15000 as The number of migrants arriving at the southern William La Jeunesse reports from Nogales, Arizona. Hundreds of migrants rushed the U.S.-Mexico border. U.S. and Canadian officials say there's been a
