But when the son of Paul's sister heard about the plot, he went into the barracks and told Paul.

Acts 21:34
Some in the crowd were shouting one thing, and some another. And since the commander could not get at the truth because of the uproar, he ordered that Paul be brought into the barracks.

Acts 21:37
As they were about to take Paul into the barracks, he asked the commander, "May I say something to you?" "Do you speak Greek?" he replied.

Acts 23:10
The dispute grew so violent that the commander was afraid they would tear Paul to pieces. He ordered the soldiers to go down and remove him by force and bring him into the barracks.

Acts 23:17
Then Paul called one of the centurions and said, "Take this young man to the commander; he has something to tell him."

Acts 23:32
The next day they returned to the barracks and let the horsemen go on with him.

Acts 24:23
He ordered the centurion to keep Paul under guard, but to allow him some freedom and permit his friends to minister to his needs.

And when Paul's sister's son heard of their lying in wait, he went and entered into the castle, and told Paul.