Toxic algae bloom considered in death of North California family found along hiking trail

John Gerrish, his wife, Ellen Chung, their 1-year-old daughter, Miju, and their dog were all found dead on a hiking trail near Hite’s Cove in the Sierra National Forest in Mariposa County, California. Investigators from the Mariposa County Sheriff's Office and California Department of Justice are considering whether toxic algae blooms or other hazards may have contributed to their deaths.