Muscles can't be trusted. When skin is exposed to the wind, muscles become stressed and begin to subtly expand and contract. The body can't control these movements.

Meteorologists sat the wind's movements are unpredictable. They have a point. But the wind isn't completely unreadable. Is this fly just flying around aimlessly? No. It's sensing scents and the flow of the air as it flies. The fly's movements are the wind.

Target changed to Jolyne! Full body confirmed! Locked on the head! Shoot!