He'd heard even if he didn't see, and he made his way over as swiftly and quietly as he could. There was just the one he had to worry about, so he released the gun up his right sleeve, stepped around the old tree trunk and looked down the barrel of his gun at her face.
A woman. An unarmed woman. His gaze flickered between her hands, her eyes and any possible part of her body where she could be concealing a weapon. He might not have been expecting to find a seemingly unarmed woman - and perhaps that was the only reason he wasn't shooting first and asking questions later - but he wasn't taking his chances.
"Who are you and why are you following me?" He turned the safety off and rest his finger over the trigger.