You'd be surprised how much untouched wilderness there is out there. And generally opportunistic criminals don't tend to be wandering through the wilderness looking for cameras to steal. And even then they're face will be recorded for all they know.
For example, this woman died after weeks spent lost just near the Appalachian Trail: https://www.bostonglobe.com/metro/2016/05/25/hiker-who-died-...
When I was a kid, we were amazed at the people who apparently got lost on Hell's Half Acre, about 40 miles west of Casper:
- https://www.google.com/search?q=hells+half+acre+wyoming&num=20&source=lnms&tbm=isch&sa=X&ved=0ahUKEwi2iqHTsOXPAhWCsFQKHegtCo0Q_AUICCgB&biw=1151&bih=818
Broke an ankle or got stuck in a gully - sure, but lost?Now that I'm officially old, and far less energetic, I'd be willing to believe that they just sat down and hoped that help would find them in time.