Trying to figure out where that confiscated rhino horn came from? Is that guitar made from a piece of endangered tropical hardwood? You might find the answers to your questions at the US Fish & Wildlife Service’s Forensic Lab in Ashland, Oregon, the only one like it in the world.Trying to figure out where that confiscated rhino horn came from? Is that guitar made from a piece of endangered tropical hardwood? You might find the answers to your questions at the US Fish & Wildlife Service’s Forensic Lab in Ashland, Oregon, the only one like it in the world.