When 23-year-old Taunja Bennett left home on January 21, 1990, her family thought they would see her in a few hours. That didn't happen. Then her sister watches a news report with a police sketch of a woman found dead in the Columbia River Gorge...and knew it was Taunja. That was the start of multiple female bodies found mostly in the Pacific Northwest and California which police never connect to each other. Then someone starts sending macabre letters signed with a happy face, which was the beginning of the end of the Happy Face Killer's reign of terror.