U.S., Mexico ramp up efforts to deter illegal border crossings

Read MoreBoth U.S. and Mexican authorities are working to deter illegal border crossings into the U.S. following a record number of crossings in December. Adam Yamaguchi reports from a U.S. border town where migrants often camp.Both U.S. and Mexican authorities are working to deter illegal border crossings into the U.S. following a record number of crossings in December. Adam Yamaguchi reports from a U.S. border town where migrants often camp.