Mexico's Opium Wars turn farmers into vigilantes Guerrero state is the world's third largest producer of opium, which narco traffickers turn into heroin and send to the United States. TRT World's Alasdair Baverstock reports from Mexico. Featured, Features, Mexico, News, Television, TRT WorldAlasdair BaverstockJuly 15, 2017Amapola, Guerrero, Opium, TlacotepecComment Facebook0 Twitter Pinterest0 0 Likes