A large area inside a famous park in the US has been labelled the 'Zone of Death' due to a legal loophole that in theory allows people commit a crime without fear of conviction - including murder.
Yellowstone National Park, which is mostly in Wyoming, covers 3,500 square miles and is packed with wild animals, stunning scenery and more than half of the world's active geysers.
But an isolated 50-mile stretch within its borders is technically a lawless piece of land where anything goes.
