Labor abuses and criminality are not hard to find in the world’s unlicensed gold mines. Assuming someone visits.

Kimberly Guilfoyle with President Trump at a White House event in March. In announcing her resignation, Ms. Guilfoyle decried what she called false accusations.

Workers clearing debris within a former processing plant as part of preparations to reopen the Panguna copper and gold mine.

Kimberly Guilfoyle, the U.S. ambassador to Greece, in Athens on Wednesday.

Secretary of State Marco Rubio, left, and Foreign Minister Giorgos Gerapetritis of Greece after a meeting in Athens on Wednesday.

The police in Britain said that thieves had made off with two trailers of Guinness beer from a depot in Cheshire on Monday.

Mykhailo Fedorov, Ukraine’s former defense minister, speaking in Ukraine in July.

A plane carrying deportees from the United States at the international airport outside of Monrovia, the capital of Liberia, on Aug. 20.

The Bamy Hotel, where migrants are held, in Malabo, Equatorial Guinea.

Cuba earlier this year. Many officials waiting in the wings in the country, like their Iranian counterparts, represent more hard-line factions.

The Trump administration is working to find ways to deport some migrants to third countries as a way around court orders barring their return home.