There was also the case of the prisoners smuggling cell phones into prison via pigeons. http://www.nbcnews.com/id/29980598/ns/world_news-weird_news/t/pigeons-s

There was also the case of the prisoners smuggling cell phones into prison via pigeons. http://www.nbcnews.com/id/29980598/ns/world_news-weird_news/t/pigeons-smuggle-cell-phones-brazil-prison/ http://www.nbcnews.com/id/29980598/ns/world_news-weird_news/...