We know according to Fred that he made up an emergency kit of some sort, and that's where the red rag came from... I would think a flashlight would have been part of that, but it's never been answered.
Also, we know MM was a runner, but did she run at night and use a light of some kind, as I used to do... again, no one has the answer to that.
Also, was she in the habit of not unpacking her things when she moved into a dorm room - another question it would be interesting to know...
Regarding RF - I had read that he all he saw was someone with a sweatshirt that hid the person's face, or the person running turned away (can't remember which) so he didn't really see and ID MM... it's strange he took so long to come forward since his house was so close to the activity on the night she went missing...
Had I been MM I would have sought shelter in his under construction house that was presumably empty that night near the crash... But my wife says no way would a gal do that...
ETA - if you believe in the doing the Squaw Walk theory - then she was heading to the mountains (but no way IMO could she do it running... Otherwise, if she simply wanted to lay low for the night, I think she would have headed back toward a place she had passed by since she she would have been familiar the that... or, she might have headed toward what appeared to be field (the Wild Ammonoosuc River) that was snow covered (assuming it was) and fallen thru the ice. There were photos of river posted back a number for thread ago...
I'll try doing a search..