Since 2008, the U.S. has spent over US$3 billion to help stabilize Mexico and stem its surge in extreme violence. The U.S. gun industry and interest group lobbyists have undercut these efforts by advocating for lax regulation and enforcement. This has created mayhem south of the border, and its effects have ricocheted to the U.S., boosting illegal drug trade and organized crime.
Here’s how we figured the number of guns illegally trafficked from the US across the border to Mexico
