Friends make emotional return to Eagle Creek Trail
Jessica Colburn and Brandi Arneson, Rhonda Casto's best friends, bravely venture to the site where Casto took her last steps during a hike in 2009 -- their first visit since she died.
Was her death an accident or murder? Peter Van Sant investigates in an all-new "48 Hours" Saturday, March 5 at 10 p.m. ET/PT on CBS