NBC News was part of a group that went behind Ursula's highly-secured doors to see firsthand what migrants go through before separations occur.
Investigators said Rupert Stadler was detained amid fears he night try to suppress evidence in the case.
It was reminiscent of the magnitude 7.3 Hanshin-Kobe quake in 1995 that killed more than 6,000 people in the same region.
Duque's pro-business platform and hard line on security appealed to voters in a runoff that pitted hard right against hard left.
Loose laws let scores of charters create policies that favor white students.