What? Uh. Not that I can think of? I know some basic tracking and hunting sort of skills. And not with alchemy. Just in general. I'm not sure. Maybe someone else has something that can pull that off but not me.

[When it comes to tracking someone down. Ed's found people before that didn't want to be found, but that was mostly by luring them out. By stumbling into them. Not quite the same situation as this.]