Here "Jews" is a synecdoche for the Jewish leaders who opposed Jesus and arrested him. Alternate translation: "The Jewish leaders said to him" (See: [[rc://en/ta/man/jit/figs-synecdoche]])
According to Roman law, the Jews could not put a man to death. Alternate translation: "According to Roman law, we cannot put a person to death" (See: [[rc://en/ta/man/jit/figs-explicit]])