Dead family in a national park

The mystery surrounding the deaths of a couple, their baby daughter and the family dog found on a hiking trail near Yosemite National Park is deepening after autopsies yielded no immediate clues as to what caused their deaths.
The bodies of Jonathan Gerrish, Ellen Chung, their 1-year-old daughter, Miju, and the family dog, Oksi, were found by search and rescue workers Tuesday in a remote area of the Sierra National...

Click to expand...