John Gerrish and Ellen Chung had recently moved to the Marisopa area with their 1-year-old daughter and dog. (Steven Jeffe via KTVU) The Marisopa County Sheriff's Office is confident that they can rule out homicide in the mysterious deaths of a family on a hiking trail in the Sierra National Forest earlier this week.The couple, John Gerrish and Ellen Chung, set out for a hike on Sunday with their 1-year-old daughter, Miju, and their dog near Hite’s Cove in the Sierra Nevada mountains.After Gerrish, a software engineer who formerly worked at Google according to his LinkedIn profile, didn't show up for work on Monday, a family friend reported them missing.