Zak Cato is a xenocop. He's returning a fugitive shape-shifting Sagathi when things go horribly awry. Saved from being slaughtered with the rest of his men because he is drunk, Cato must now become the hero he was created to be, recapture the Sagathi, and exact revenge.
Description:
At Empire's Edge by William C. Dietz
Zak Cato is a xenocop. He's returning a fugitive shape-shifting Sagathi when things go horribly awry. Saved from being slaughtered with the rest of his men because he is drunk, Cato must now become the hero he was created to be, recapture the Sagathi, and exact revenge.