en_tn_condensed/mat/27/04.md

innocent blood

This is an idiom that refers to the death of an innocent person. Alternate translation: "a person who does not deserve to die" (See: rc://en/ta/man/translate/figs-idiom)

What is that to us?

The Jewish leaders use this question to emphasize that they do not care about what Judas said. Alternate translation: "That is not our problem!" or "That is your problem!" (See: rc://en/ta/man/translate/figs-rquestion)