Radioactive material used to combat rhino poaching

We're putting small amounts of radioactive material into the horns of the rhino and it makes it so much easier to detect these horns as they moved across international borders. By making the horns radioactive, we are making those horns and devaluing those horns in the eyes of the poacher and the end users. No one wants a radioactive horn.Irrespective of how that horn's transported across board, if it's in a suitcase or in a container, we will detect it. The alarms will go off and we'll catch. ...