On February 18, 2010, Koenig was reported missing by friends and family. He was last seen in Vancouver, British Columbia, on February 14, and missed a scheduled FLIGHT on February 16, which was the last day he used his cell phone or conducted any banking. On February 25, 2010, a group of 11 of his friends and family members found his body hanging from a tree in Stanley Park in downtown Vancouver; he had apparently hanged himself.