Why.

Genesis 37:18, 19
Now Joseph's brothers saw him in the distance, and before he arrived, they plotted to kill him. . . .

1 Samuel 19:3-15
I will go out and stand beside my father in the field where you are, so I can ask about you. And if I find out anything, I will tell you." . . .

1 Samuel 20:31-33
Every day the son of Jesse lives on earth, neither you nor your kingship shall be established. Now send for him and bring him to me, for he must surely die!" . . .

1 Samuel 22:14-19
Ahimelech answered the king, "Who among all your servants is as faithful as David, the king's son-in-law, captain of your bodyguard, who is honored in your house? . . .

But.

Matthew 21:38, 39
But when the tenants saw the son, they said to themselves, 'This is the heir; come, let us kill him, and take his inheritance!' . . .

Acts 7:57
At this they covered their ears, cried out in a loud voice, and rushed together at him.

Acts 17:5-7
The Jews, however, became jealous. So they brought in some troublemakers from the marketplace, formed a mob, and sent the city into an uproar. They raided Jason's house in search of Paul and Silas, hoping to bring them out to the people. . . .

Acts 21:28-31
crying out, "Men of Israel, help us! This is the man who teaches all men everywhere against our people and against our Law and against this place. Furthermore, he has brought Greeks into the temple and defiled this holy place." . . .

Acts 22:22, 23
The crowd listened to Paul until he made this statement. Then they lifted up their voices and shouted, "Rid the earth of him! He is not fit to live!" . . .

Acts 23:10, 12-15
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. . . .