Read the excerpt below and answer the question.

And they'll follow that meal track to the lake and go browsing down the creek that leads out of it to find the robbers that killed me and took the things. They won't ever hunt the river for anything but my dead carcass. They'll soon get tired of that, and won't bother no more about me.

Based on context clues in the passage above, what is the best definition for the underlined word?

killer
body
criminal
searcher