Nation Why a U.S. citizen helps coordinate the migrant caravans that Trump condemns as invaders November 9, 2018 Daniel González, Arizona Republic Comments Off on Why a U.S. citizen helps coordinate the migrant caravans that Trump condemns as invaders No one is more responsible for the huge caravans of migrants headed for the U.S. than Irineo Mujica, who was born in Mexico and grew up in Phoenix.