Cross reference
Acts 22:26
26 And hearing this, the man went to the chief captain and gave him an account of it, saying, What are you about to do? for this man is a Roman.
Acts 22:29
29 Then those who were about to put him to the test went away: and the chief captain was in fear, seeing that he was a Roman, and that he had put chains on him.
Acts 23:27
27 This man was taken by the Jews, and was about to be put to death by them, when I came on them with the army and took him out of danger, having knowledge that he was a Roman.