The ‘Ghost Fleets’ Moving Oil Around the World

Since December, the U.S. has been stopping and seizing oil tankers traveling in and out of Venezuela. They are part of what is known as a ghost fleet — tankers that try to secretly move oil around the world, funding states such as Venezuela, Iran and Russia. Christiaan Triebert, a reporter on the Visual Investigations team, explains what these ghost fleets are and why their days might now be numbered.