[And they're back to the basic problem to begin with. Frustrated with the situation, his brow furrows.]

I wish I knew to tell you. [He really doesn't have the knowledge set for this. If he'd thought things through a little more, maybe he could have done some research. As it stands, he just has to brainstorm.]

Anything unusual... broken branches, something artificial that might have gotten caught, like a piece of clothing... [He lets out a brief sigh.] I know it's not a lot to go on.