Our reporter Emma Bubola visits the foothills of the Argentine Andes to find out why a giant Chinese-sponsored telescope is sitting dismembered.

The U.S. Mint is legally required to sell only legal, domestic gold. Instead, it is the last link in a chain that launders foreign gold for an insatiable market. Our reporter Justin Scheck traced one such supply chain: from an illegal mine in Colombia all the way to the Mint’s facilities in West Point, N.Y.