‏ Acts 22:3-4

I am . . . a Jew. In order to refute their charge that he taught against Moses, he calls attention to his Jewish birth, and his education under their venerated doctor of the law, Gamaliel. For the character of this teacher, see PNT Ac 5:34.

Was zealous toward God. His zeal was like theirs, honest and ardent. Observe how he associates himself with his hearers. It was the first opportunity he had ever had to explain to the people of Jerusalem the reason why he had become a Christian.
I persecuted this way. He did this from his zeal towards God, whom he thought he thus served.

Unto the death. This seems to imply that Stephen was not the only martyr in whose death he was an accomplice.
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