"It also makes me wonder if they had something in the tent the wolf smelled other than them. "
Bacon. (Even Canadian bacon,)
Prey animals shouldn't be allowed to camp in gun-free forest areas like parks and monuments and preserves and primitive areas without carrying protection for themselves.
Just about every critter on earth carries some kind of self-defense equipment around with them.
Hell, even kittens carry concealed defense devices.
Terry, 230RN
Pic credits in properties