A documentary filmmaker from Colorado was among four Americans killed in a Mount Everest avalanche triggered by the earthquake that shook Nepal. Thomas Ely Taplin, 61, was working on a film about the community of climbers at base camp and had been there only a short time when the magnitude-7.8 quake struck, his wife, Cory Freyer, told The Associated Press on Monday. "His passions were adventure travel and extreme landscape types of films," Freyer said in a telephone interview.Read more on NewsOK.com