Matthew 23:30-34
and your boast is, "'If we had lived in the time of our forefathers, we should not have been implicated with them in the murder of the Prophets.'
Acts 7:52
Which of the Prophets did not your forefathers persecute? Yes, they killed those who announced beforehand the advent of the righteous One, whose betrayers and murderers you have now become--
Acts 12:2-3
and James, John's brother, he beheaded.
Acts 12:11
Peter coming to himself said, "Now I know for certain that the Lord has sent His angel and has rescued me from the power of Herod and from all that the Jewish people were anticipating."
Acts 12:23
Instantly an angel of the Lord struck him, because he had not given the glory to God, and being eaten up by worms, he died.
1 John 3:12
We are not to resemble Cain, who was a child of the Evil one and killed his own brother. And why did he kill him? Because his own actions were wicked and his brother's actions righteous.