First Lady Melania Trump arrived in Tucson Thursday morning to meet with officials and citizens to talk about conditions on the border.
She then traveled to Phoenix to tour facilities where migrant children are being held after entering the U.S. illegally.
Shortly after arriving at Davis-Monthan Air Force Base, the first lady took part in a round-table discussion with representatives of federal law enforcement agencies.
Border Patrol sector chief Rodolfo Karisch showed her pictures of a six-year-old boy abandoned by smugglers in the desert earlier this week:
The first lady also visited what officials described as a short-term holding center for migrant minors.
This is her second trip to the border amid outrage over her husband's now-suspended policy of separating migrant children from their families when they cross the border illegally.