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.

Gun traffickers have quietly moved what they say is an unprecedented number of weapons from the United States to Mexico. Our reporter Paulina Villegas followed the trail of these guns.