It wasn't something she figured out on her own, but rather a combination of past experience and professional training from the Forces.
Even the rattlesnake she killed nearby, all traces were erased by her. If no one deliberately searched for it, if no one dug up the soil, absolutely nothing could be detected.
She was confident, with the skills of these few people, it was impossible to discover traces that she had been there.
So—
She ruled out the possibility of Kennedy lurking in the dark.
Then, since Kennedy was isolated, it's better to deal with him in advance.
Flossie Wright's second departure truly didn't draw any attention.
The two people around the campfire indeed did not notice Flossie's traces.
After she left, the two even went to cut some camel meat and continued to roast it over the campfire with relaxed vigilance.
...
On the other side.
Flossie Wright spent a few minutes and finally found Kennedy's trail nearby.
She didn't get close.
