Detailed text transcripts for TV channel - CNN - 20190102:14:59:00
U.s. i'm told some returned to mexico. u.s. officials took about 25 into custody, although we don't know exactly where they are right now and what facilities. this was a reminder of what happened about a month ago when the caravan approached the u.s./mexico border trying to engage and discuss but clearly caused a lot of controversy when u.s. official disease ployed -- deployed tear gas then. >> the big picture, is this a symptom of you have these ports of entry at various locations that are overcrowded, overflowing and this is a symptom of that? >> reporter: that's how immigration advocates ar...