Caput gerat lupinum ("Let his be a wolf's head," literally "May he bear a wolfish head") with respect to its subject, using "head" to refer to the entire person (cf. "per capita") and equating that person with a wolf in the eyes of the law: Not only was the subject deprived of all legal rights of the law being outside of the "law", but others could kill him on sight as if he were a wolf or other wild animal. wiki