Basically, "Making a Murderer" chronicles a set of crimes committed in Wisconsin: Manitowoc, Wisconsin. The first crime is a miscarriage of justice. Steven Avery is convicted and sentenced to a very, very long prison sentence for the assault on a woman. And it comes to light through DNA evidence that he was not the assailant.
The more prosperous and settled a nation, the more readily it tends to think of war as a regrettable accident; to nations less fortunate the chance of war presents itself as a possible bountiful friend.