A Crisis in Guatemala, Abetted by the U.N.

Instability in Central America will spill into Mexico and spur more migrants to the U.S.

In the struggle to defeat transnational crime in Central America, the U.S. is financing a United Nations prosecutorial body in Guatemala. Yet these U.N. prosecutors are thumbing their noses at the rule of law and seem to be using their power to politicize the Guatemalan judiciary.

This is dividing and destabilizing a pivotal democracy in the region. The fragile Guatemalan state is in the crosshairs of Venezuelan dictator Nicolás Maduro and Cuba’s Gen. Raúl Castro. If their allies seize control of Mexico’s southern neighbor...