Transcript for Nearly 5,000 Central American migrants waiting to apply for US asylum

What's being called a humanitarian crisis in Tijuana Mexico the mayor of that city asking the UN for help in dealing with some 5000 migrants. Now arriving there are part of the caravan fleeing conditions in Central America all of this as the president threaten to shut down the border if necessary. ABC White House correspondent terror Paul merry with the president reporting from West Palm Beach tonight. In Tijuana tonight mothers and their children huddle under blank it's just feet from the border the mayor declaring a humanitarian crisis. As nearly 5000 Central American migrants wait to apply for asylum in the US president trump threatening to shut down the border complete. We will close entry into the country for a period of time until we get it under control of the entire group all the water I mean the whole what the president says the military stands ready to stop the migrants they have to they're gonna use lethal force. I've given the okay the have to help they don't have to. The Defense Secretary James. Mattis insists US troops are simply there to back up Border Patrol and will likely be armed with plastic shields and batons not Dunn's. Terror Paul very joins us now from West Palm Beach and terror there's also news tonight on the Moeller investigation word of another potential plea deal in the works. That's right wing a controversial conservative writer. Jerome court he was a close associate of president trumps longtime confidant Roger Stone. Confirmed to ABC news base negotiating hates me deal with the special counsel's office the special counsel looking into whether stone. Morton it was WikiLeaks to publish hacks DNC emails. Went all right Tara thank you oh.

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