"Crews searched Mount Rainier National Park on Friday for a prominent hiker and outdoors writer who was reported missing late Wednesday while she researched a story."
http://seattletimes.com/html/localnews/2023892720_hikermissingxml.html
http://news.msn.com/us/search-ongoing-for-outdoors-writer-on-mt-rainier
http://www.karenstrails.blogspot.com/
She must have fallen and injured herself, or been stricken with a sudden illness, to disappear like this. Heaven forbid a wild animal or human assaulted her!
Best wishes for the search teams, hoping she's found and brought home to write about her adventure.