Morale appears to be eroding inside the migrant caravans pushing toward the United States, with members dropping out to return home, some opting to try their luck in Mexico and others demanding "safe and dignified transport," as the endless walking begins to take its toll.

HOUSTON (AP) — Militia groups and far-right activists are raising money and announcing plans to head to the Mexican border to help stop the caravan of Central Americans, often echoing President Donald Trump's attacks on the migrants making their way toward the U.S.

Militia groups say they will help stop caravan at the border

http://www.fox5ny.com/news/militia-groups-caravan

I definitely see potential for this to turn/escalate very quickly.