I don't have any special knowledge on this case but in my experience with similar cases it sometimes turns out that the lost party was not actualy wondering in the woods for X number of days but was somewhere safe and warm.
One young lady was found clean and wearing clean clothes and fresh make-up, within sight of a housing sub-division, after a 4 day search. She was referred to mental health. No one envolved in the SAR or the medical evaluation believed she had actualy spent even a single night outside.
Just sayin.
leo