 The inquiry determined that he had misspent over $6 million of the organization's money, although no criminality was found.In 1993, mountaineer Greg Mortenson attempted to climb K2, the world's second highest mountain, located in the Karakoram range of Gilgit-Baltistan, as a way of honoring the memory of his deceased sister, Christa.As a memorial, he had planned to lay her amber necklace on the summit of K2.