How did Paul defend his faith before the people of Jerusalem?

Paul shared his testimony, explaining his conversion from a persecutor of Christians to an apostle of Christ, and how he was called by God to preach to the Gentiles. (Acts 22:1-21)

Why was Paul interrupted during his speech in Acts 22?

When Paul mentioned that he was going to be sent to the Gentiles, the crowd became angry and began shouting, which caused him to be interrupted. (Acts 22:21-23)

How did Paul use his Roman citizenship in Acts 22?

When questioned, Paul mentioned his Roman citizenship, which caused the officers to be alarmed, since arresting a Roman citizen without trial was illegal. (Acts 22:25-29)

What happened to Paul after his speech in Jerusalem?

Paul was taken to the barracks, where the Roman commander interrogated him and, upon discovering that he was a Roman citizen, decided to protect Paul from the mob's violence. (Acts 22:24-30)

What was Paul's vision during prayer in Jerusalem?

In his prayer, Paul had a vision of Jesus, who told him to leave Jerusalem because they would not be accepted there, and that he would be sent to the Gentiles. (Acts 22:17-21)

Acts, 22 - Paul recounts his conversion before the crowd in Jerusalem - Catholic Public Domain Version