Following 18 months of successful international cooperation and research on the icy, southern continent, 12 countries signed a treaty officially designating Antarctica a non-militarized international region to be used solely for scientific purposes. Today, scientists perform research there year-round, with citizens of multiple nations working side by side. In 2006, an unusual legal situation arose when New Zealand police were unable to fully investigate what suspicious incident in Antarctica? Discuss
Source: The Free Dictionary