In the midst of this seething mountain capital, Mexico’s security ministry houses a bizarre museum — a collection of what the army seizes from drug traffickers. The Museo de Enervantes,often referred to as the Narco Museum, has drug samples themselves (including the rare black cocaine), diamond-studded guns, gold-coated cell phones, rocket-propelled grenades and medals that cartels award their most productive smugglers.

It also shows off the narcos’ ingenuity for getting their drugs into the United States, including “trap cars” with secret compartments, catapults to hurl packages over the border fence and even false buttocks, to hide drugs in.

Agents on the 2,000 mile-U.S. border have wrestled with these smuggling techniques for decades, seemingly unable to stop the northward flow of drugs and southward flow of dollars and guns. But the amount of one drug — marijuana — seems to have finally fallen. U.S. Border Patrol has been seizing steadily smaller quantities of the drug, from 2.5 million pounds in 2011 to 1.9 million pounds in 2014. Mexico’s army has noted an even steeper decline, confiscating 664 tons of cannabis in 2014, a drop of 32% compared to year before.  [Read more at Time magazine]