How slavery and murder goes unpunished on the high seas

Aired: 7/28/2015 | 0:06:11 | Clip
The global economy and our daily lives have become increasingly dependent on shipping, as millions of ships carry roughly 90 percent of the world's goods. But we know little of the crime and lawlessness that takes place at sea. Ian Urbina of The New York Times joins William Brangham to discuss cases of murder, enslavement and pollution and why little can be done to stop it.