In this Oct. 20, 2015 photo, illegally trafficked animal products are displayed in a warehouse at the National Wildlife Property Repository in Commerce City, Colo. A multibillion-dollar industry, the black market in wildlife is the fourth-most-profitable in the world, after illegal trafficking in weapons, drugs and humans, according to the U.S. Fish and Wildlife Service’s Office of Law Enforcement. (AP Photo/Brennan Linsley)