Australia's Prison System holds some of the most dangerous convicts and inmates in the country, today we look at the top 19 including a mushroom murderer and several serial killers.br br 💬 COMMENT below and let us know what you think!br br ✏️ Vidello Content Guarantee ✏️ br br We guarantee that the work you see on this channel is unique, original and created completely by ourselves in a professional recording studio using Sony Vegas 11, this also includes thumbnail images which are created in Photoshop Elements 11.